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Polysure M18NH1 is a nucleated polypropylene homopolymer manufactured by HPCL-Mittal Energy Ltd (HMEL) via advanced Spheripol-II technology at Bathinda. Designed as the primary commercial grade for thin wall injection molding (TWIM), M18NH1 delivers a unique combination of high stiffness, dimensional stability, and fast cycle times. Nucleating agents ensure small spherulite size for excellent product aesthetics, lower warpage, and reduced energy consumption. The product is fully compliant with IS 10910 (food contact), IS 16738:2018, and FDA 21 CFR 177.1520, making it the ideal choice for Delhi NCR’s leading TWIM and household goods manufacturers.

Deep Technical Insights & Specifications

M18NH1 features a melt flow index of 18 g/10 min (ASTM D1238), flexural modulus of 1700 MPa (ASTM D790A), tensile strength of 35 MPa, Vicat softening point of 151°C, HDT of 110°C, and notched Izod impact of 35 J/m. This grade’s nucleated design enables low cycle times (6–10 seconds cooling), superior surface gloss, and tight tolerances. Processing is optimized at a barrel temperature of 180–250°C, mold temperature of 30–40°C, high injection speed for thin wall 0.8–1.5 mm, and back pressure of 10–20 bar. The result is rapid filling and demolding, minimal warpage, and outstanding stackability for packaging and household products.

Applications & Industry Use Cases

For thin wall injection molded containers, M18NH1 excels in yogurt cups, dairy pots, and food trays, supporting high-speed, multi-cavity production (16–32 cavity molds). Its high stiffness ensures containers retain shape and stack without deformation, while the nucleated finish delivers a glossy, attractive look. In household and consumer goods, M18NH1’s rigidity and dimensional stability make it ideal for kitchen storage containers, airtight organizers, furniture components, toys, and hangers—products that benefit from drop resistance and a premium surface feel. For food service and retail packaging, M18NH1’s food-contact compliance and rapid cycle times support efficient, safe, and sustainable mass production, with packaging that maintains integrity from factory to shelf.

Alternatives & Comparative Analysis

M18NH1 and M18NH are process variants with identical technical specifications, both delivering 18 MFI flow and 1700 MPa stiffness. M18NH1 is the primary commercial grade for TWIM, while M18NH is often referenced interchangeably. Compared to HMEL’s M20CR1, M18NH1 offers +6% higher stiffness, making it better suited for stackable, rigid packaging and household items, whereas M20CR1 is preferred for clarity and medical applications. IOCL Propel 1200MC, with 20 MFI and similar stiffness, is a viable alternative for TWIM, but lacks the proprietary nucleated design of M18NH1, resulting in slightly longer cycle times and less glossy finish. IOCL 010F18A matches the flow but has marginally lower stiffness. Overall, M18NH1 stands out for its unique nucleated structure, fast cycles, and premium finish, filling a gap where no direct 18 MFI nucleated competitor exists in India.

Polysure M20CR is a clarified, controlled rheology polypropylene homopolymer manufactured by HPCL-Mittal Energy Ltd (HMEL) via advanced Spheripol-II technology. Specially designed for medical syringes, high clarity consumer packaging, and multicavity thin wall injection molding, M20CR delivers superior transparency, fast cycle times, and excellent dimensional stability. Produced at HMEL's Bathinda Spheripol-II unit-I, M20CR features nucleating agents for crystal clarity and CR design for low warpage. Fully IS 10910, IS 16738:2018, and FDA 21 CFR 177.1520 compliant, M20CR is gamma sterilization compatible, making it the grade of choice for medical device and pharma packaging manufacturers in Delhi NCR and beyond.

Deep Technical Insights & Specifications

• Melt Flow Index (ASTM D1238, 230°C/2.16 kg): 20 g/10 min, enabling excellent flow characteristics for thin-wall injection molding and faster production cycles.
• Tensile Strength at Yield (ASTM D638): 34 MPa, providing reliable mechanical strength for molded industrial and consumer components.
• Tensile Elongation at Yield (ASTM D638): 12%, offering a balanced combination of rigidity and controlled flexibility during processing and use.
• Flexural Modulus – 1% Secant (ASTM D790A): 1600 MPa, indicating high stiffness and strong dimensional stability in thin-wall and precision molded parts.
• Notched Izod Impact Strength at 23°C (ASTM D256A): 35 J/m, delivering good resistance to sudden impact under standard conditions.
• Vicat Softening Temperature (ASTM D1525, 10N): 151°C, demonstrating reliable thermal resistance during high-temperature processing and application environments.
• Heat Deflection Temperature (ASTM D648, 0.455 MPa): 110°C, allowing the material to maintain structural integrity under elevated thermal loads.

Processing Guidelines (Thin Wall/Medical)

Barrel: 180–250°C (progressive) Mold: 30–40°C Injection Speed: High Back Pressure: 10–20 bar Cooling Time: 8–15 seconds (fast cycle)

Regulatory Compliance

IS 10910, IS 16738:2018, FDA 21 CFR 177.1520, gamma sterilization compatible

Technical Strength

M20CR’s Spheripol-II CR formulation delivers superior clarity, rapid crystallization, and low warpage. With a 1600 MPa flexural modulus, 110°C HDT, and nucleated structure, it enables multicavity high-speed molding with outstanding clarity and dimensional stability. Gamma compatibility ensures no yellowing or brittleness post-sterilization, meeting stringent medical and pharma standards.

Applications & Industry Use Cases

Medical Syringe Manufacturing

M20CR is the preferred choice for 1–20ml disposable syringes, providing superior clarity for dosage visibility and stability under gamma sterilization (25–50 kGy). Its fast cooling and high stiffness support multicavity (64–128) high-speed syringe production, with drop resistance and consistent plunger fit.

Pharmaceutical & Laboratory Packaging

Used in medicine bottles (ISBM), tablet blister trays, petri dishes, and diagnostic cassettes, M20CR delivers low extractables, high clarity, and dimensional precision. IS 10910 and FDA compliance make it ideal for sensitive pharma and lab consumables.

High Clarity Consumer Products

M20CR’s nucleated structure provides crystal clarity for cosmetic jars, serum droppers, and transparent yogurt/dessert cups. The 151°C Vicat softening point and 110°C HDT enable hot-fill packaging and microwaveable trays.

Multicavity Thin Wall Packaging

Yogurt pots, pharma trays, and food service containers benefit from M20CR’s 20 MFI fast fill and low cycle times (8–12 sec), supporting high-volume, high-precision production with minimal warpage and excellent mold release.

Alternatives & Comparative Overview

Several polypropylene grades provide comparable performance to M20CR, particularly for thin-wall injection molding and clarity-focused applications such as medical and packaging components.

• M20CR1 – MFI 20, produced using Spheripol-II Controlled Rheology (CR) technology with superior clarity and a flexural modulus of ~1600 MPa. Used in syringes and clarity-based thin-wall injection molding (TWIM). It is considered an identical twin grade with nearly the same specifications and performance as M20CR.
• M50NR – MFI 50, manufactured using Spheripol-II technology, offering good clarity and a flexural modulus of ~1500 MPa. Suitable for TWIM and compounding applications. Compared to M20CR, it provides higher flow for faster processing but slightly lower clarity.
• M18NH – MFI 18, produced using Spheripol-II technology, with medium clarity and a flexural modulus around ~1550 MPa. Applied in thin-wall containers. It offers lower melt flow and reduced clarity compared to M20CR.
• P20R – MFI 20, manufactured with IOCL Spheripol-II technology, delivering good clarity and a flexural modulus near ~1550 MPa. Used in medical and clarity-focused applications. As a reactor-based grade, it typically provides slightly less clarity than CR-modified grades like M20CR.
• RH20 – MFI 20, produced using OPaL Ineos gas-phase technology, with medium clarity and a flexural modulus of ~1550 MPa. Suitable for medical containers and packaging. Its gas-phase polymerization leads to lower clarity compared to CR-based grades.

These alternatives allow processors to select materials based on clarity requirements, melt flow performance, processing technology, and application needs, helping optimize production efficiency and product quality.

M20CR Competitive Advantages

M20CR’s clarified, controlled rheology design delivers best-in-class clarity, low cycle time, and gamma sterilization stability. Compared to reactor and gas-phase alternatives, M20CR offers superior transparency, lower extractables, and medical-grade dimensional stability. For maximum speed, M50NR is available (less clarity); for thin wall balance, M18NH is an option. Please note: M20CR has been superseded by M20CR1 - superior alternative with improved performance metrics and cost efficiency. Explore full specifications, applications, and advantages to see how it delivers better value for your manufacturing needs.

HMEL's Polysure M50NR1 is a premium-grade, nucleated polypropylene homopolymer engineered specifically for high-speed thin wall injection molding (TWIM) applications. Manufactured using HMEL's proprietary Spheripol-II technology, M50NR1 delivers superior melt flow (50 MFI) combined with exceptional stiffness (1500 MPa flexural modulus) and rapid cooling characteristics—making it the preferred choice for dairy packaging, yogurt cups, food service containers, and high-cavity mold production across North India. As a process variant of M50NR, M50NR1 maintains identical technical specifications while being optimized for commercial TWIM operations, particularly in 128+ cavity molds where cycle time reduction and warpage elimination are critical. HMEL, a joint venture between HPCL and Mittal Energy, brings decades of petrochemical expertise and ISO-certified manufacturing to every batch, ensuring consistent quality, regulatory compliance (IS 10910, IS 16738:2018, FDA 21 CFR 177.1520), and reliable supply to manufacturers across Delhi NCR, Noida, Gurgaon, and Manesar.

Technical Data - ASTM Property Specifications & Technical Strengths

 M50NR1 achieves a melt flow index (MFI) of 50 g/10 min at 230°C/2.16 kg, establishing it as a high-flow resin ideal for rapid cavity fill in ultra-thin wall applications. This elevated flow rate, combined with nucleated structure, enables cycle times as low as 4–8 seconds in 128-cavity molds—a significant advantage over standard 50 MFI non-nucleated grades. Flexural modulus reaches 1500 MPa (ASTM D790A), delivering robust stiffness for thin-wall containers without brittleness. Tensile elongation at yield stabilizes at 10% (ASTM D638), ensuring balanced strength-to-flexibility performance during high-speed injection and ejection. Notched Izod impact strength measures 25 J/m (ASTM D256A), providing adequate toughness for handling and transport of finished products. Vicat softening temperature of 150°C (ASTM D1525) and heat deflection temperature (HDT) of 105°C at 0.45 MPa (ASTM D648) confirm M50NR1's thermal stability for food contact applications and post-molding processes. The nucleated structure—achieved through Spheripol-II polymerization—creates uniform crystalline domains that accelerate cooling, reduce warpage, and enhance surface gloss and dimensional accuracy compared to non-nucleated 50 MFI alternatives.

Processing Parameters & Nucleated Advantages

Barrel Temperature Range: 180–230°C (optimal 200–220°C for consistent melt viscosity and reduced shear degradation) Mold Temperature: 30–40°C (nucleated structure supports rapid cooling without surface defects) Injection Speed: High (optimized for 128+ cavity fills in 3–5 seconds) Back Pressure: Moderate (40–80 bar to maintain nucleation benefits and prevent shear-induced property loss) The nucleated crystalline architecture of M50NR1 delivers three distinct technical advantages: (1) Accelerated Cooling—nucleation sites reduce cooling time by 30–40% versus non-nucleated 50 MFI grades, enabling 4–8 second cycles in high-cavity molds; (2) Warpage Elimination—uniform crystal growth minimizes shrinkage variation and part distortion, critical for stackable yogurt cups and dairy containers; (3) Enhanced Aesthetics—nucleation produces superior surface gloss, dimensional consistency, and visual appeal without post-molding treatment.

Applications

Ultra-Thin Wall Yogurt & Dairy Packaging (0.4–0.8 mm)

M50NR1 dominates the high-speed yogurt cup and dairy packaging segment, where 128-cavity molds and ultra-thin walls (0.4–0.8 mm) demand both rapid fill and minimal warpage. The 50 MFI flow rate ensures complete cavity fill within 3–5 seconds, while the nucleated structure cools parts to ejection temperature in 4–8 seconds total cycle time. For 500 ml yogurt pots with 0.6 mm walls in 128-cavity molds, M50NR1 achieves 45–60 parts per minute production rates, delivering 2,700–3,600 parts per hour per machine—translating to significant throughput gains over lower-MFI alternatives. Dairy manufacturers across India including Noida, Gurgaon IMT, and Manesar rely on M50NR1 for consistent part quality, reduced scrap rates, and predictable cycle times. The 1500 MPa flexural modulus provides adequate stiffness for stackable containers without brittleness during handling, while the nucleated surface finish eliminates post-molding cosmetic defects common with non-nucleated grades. Food contact compliance (FDA 21 CFR 177.1520, IS 10910) ensures regulatory clearance for direct food contact without migration concerns.

High-Speed Food Service & Takeaway Containers (64–96 Cavity)

Food service operators and contract manufacturers producing disposable takeaway containers, meal trays, and hinged-lid systems benefit from M50NR1's balanced flow-to-stiffness profile. In 64–96 cavity molds for 300–750 ml containers with 0.5–0.7 mm walls, M50NR1 delivers 30–45 parts per minute per machine, with minimal gate vestige and flash. The nucleated structure reduces post-molding deflashing labor and improves first-pass quality rates. Thermal stability (105°C HDT) supports hot-fill applications where containers receive boiling liquids or steam-sterilization post-molding. The 10% tensile elongation at yield prevents brittle failure during aggressive handling, while the 25 J/m notched Izod impact strength ensures durability through distribution chains. Regional food service clusters in Delhi NCR and North India increasingly specify M50NR1 for cost-effective, high-volume production without sacrificing part quality or regulatory compliance.

Masterbatch & Compounding Base Resin

M50NR1 serves as a premium base resin for masterbatch manufacturers and compounders producing color concentrates, UV-stabilized compounds, and functional additives. The 50 MFI flow rate facilitates rapid dispersion of pigments, additives, and reinforcing fibers during twin-screw compounding, reducing residence time and thermal degradation. The nucleated structure remains stable through compounding, allowing downstream converters to blend M50NR1 compounds with virgin or recycled PP without losing nucleation benefits. Compounders targeting TWIM applications value M50NR1 for its consistent melt behavior, predictable additive uptake, and minimal viscosity drift across multiple processing cycles. The 1500 MPa flexural modulus provides a stiff baseline for fiber-reinforced compounds, while the 150°C Vicat softening temperature supports thermal processing without resin softening or flow loss.

M50NR1 vs M65NR1 vs M18NH1: Comparative Performance & Selection Guide

M50NR1 (50 MFI) – Ultra-High-Speed TWIM Specialist

M50NR1 is engineered for maximum throughput in 128+ cavity molds where cycle time is the primary constraint. The 50 MFI flow rate enables 3–5 second cavity fill, with nucleated cooling reducing total cycle to 4–8 seconds. Flexural modulus of 1500 MPa provides adequate stiffness for thin-wall containers without brittleness. This grade is ideal for high-volume yogurt cups, dairy pots, and food service containers where production speed and part consistency directly impact profitability.

M65NR1 (65 MFI) – Maximum-Flow Ultra-Thin Wall Specialist

HMEL's M65NR1 elevates MFI to 65 g/10 min, targeting ultra-thin walls (0.3–0.5 mm) and extreme cavity counts (144+ molds). Cavity fill accelerates to 2–4 seconds, enabling cycle times as low as 3–6 seconds in optimized molds. Flexural modulus drops slightly to ~1450 MPa, but remains adequate for thin-wall stiffness. M65NR1 is chosen when maximum throughput and ultra-thin wall capability outweigh stiffness requirements—typically in premium yogurt cups and specialized dairy packaging where wall thickness reduction cuts material cost per part

M50NR1 vs M65NR1 Decision

Choose M50NR1 if part stiffness, stackability, and moderate wall thickness (0.5–0.8 mm) are priorities. Choose M65NR1 if ultra-thin walls (0.3–0.5 mm), maximum cavity count, and absolute cycle time minimization are critical, accepting slightly lower stiffness.

M18NH1 (18 MFI) – Stiffness-Focused General-Purpose TWIM

HMEL's M18NH1 is a nucleated 18 MFI grade optimized for general-purpose thin wall injection molding where stiffness and warpage control outweigh cycle time. Flexural modulus reaches ~1700 MPa (6% higher than M50NR1), delivering superior rigidity for thicker walls (0.8–1.2 mm) and larger containers. Cycle times extend to 8–12 seconds due to lower flow, but nucleation still provides rapid cooling and minimal warpage. M18NH1 is preferred for household items, kitchenware, storage containers, and consumer products where part stiffness, durability, and stackability are non-negotiable. The lower MFI reduces material throughput but improves surface finish and dimensional consistency in lower-cavity molds (32–64 cavity).

M50NR1 vs M18NH1 Decision

Choose M50NR1 for high-speed, high-volume, thin-wall production (yogurt cups, dairy pots, 128+ cavity). Choose M18NH1 for moderate-speed, stiffness-critical applications with thicker walls and lower cavity counts.

Energy Savings & Specific Energy Reduction

The nucleated structure and rapid cooling of M50NR1 reduce specific energy consumption (kWh per kg of molded part) by 15–25% compared to non-nucleated 50 MFI alternatives. Lower mold temperatures (30–40°C vs. 45–55°C) reduce chiller load, while shorter cycle times (5–8 seconds vs. 10–15 seconds) increase machine utilization. For a 128-cavity mold producing 3,000 parts per day, M50NR1 delivers annual energy savings of ₹2–4 lakh per machine.

HMEL Polysure M65NR is a next-generation nucleated polypropylene homopolymer engineered for ultra-high flow requirements in compounding, masterbatch production, and multi-cavity thin wall injection molding (TWIM). Produced using Spheripol-II technology, M65NR offers an exceptional melt flow index (65 g/10 min) paired with high stiffness (1350 MPa flexural modulus) and rapid cooling for industry-leading productivity in 256+ cavity molds. Its narrow molecular weight distribution ensures consistent processing, reduced warpage, and excellent part aesthetics, making it the preferred choice for high-volume manufacturing in Delhi NCR and Across India HMEL, a JV between HPCL and Mittal Energy, maintains ISO-certified production and full regulatory compliance (IS 10910, IS 16738, FDA CFR 177.1520), delivering reliable, food-safe resins to India's leading converters and compounders.

M65NR Technical Specifications – ASTM Properties & Processing Insights

M65NR achieves a 65 MFI (ASTM D1238), enabling ultra-high melt flow for rapid fill in 256+ cavity molds and compounding extruders. Flexural modulus of 1350 MPa (ASTM D790A) delivers robust stiffness for thin-wall containers and housewares. Tensile strength at yield is 32 MPa, with 10% elongation at yield (ASTM D638), balancing strength and flexibility for demanding applications. Notched Izod impact strength is 25 J/m (ASTM D256A), ensuring toughness for handling and transport. Vicat softening point stands at 150°C and HDT at 100°C, supporting hot-fill and post-molding thermal processes. The nucleated structure, achieved via Spheripol-II, accelerates cooling, reduces cycle times, and enhances dimensional accuracy versus non-nucleated grades.

Processing Parameters

Barrel temperature 180–230°C, mold 30–40°C. High injection speed and moderate back pressure (40–80 bar) are recommended to maximize nucleation benefits and minimize shear degradation.

Applications

Compounding & Masterbatch Base Resin

M65NR is the benchmark base resin for color masterbatch and additive compounding. Its 65 MFI delivers rapid pigment and additive dispersion, minimizing residence time and thermal stress in twin-screw extruders. Compounders benefit from the nucleated structure, which remains stable during blending and downstream molding, ensuring consistent performance in TWIM and consumer applications.

Multi-Cavity TWIM (256+ Cavities)

For ultra-thin wall (0.3–0.6 mm) yogurt cups, dairy containers, and food service trays, M65NR's ultra-high flow enables complete fill in 2–4 seconds, with cycle times as low as 3–6 seconds. In 256-cavity molds, manufacturers achieve record throughput, reduced scrap, and uniform part quality. The nucleated structure delivers rapid cooling, minimal warpage, and superior surface finish, supporting high-speed, high-volume production for Delhi NCR's leading packaging hubs.

Housewares & Consumer Products

M65NR is ideal for kitchen storage, appliances, and high-volume consumer goods requiring thin walls and high stiffness. The 1350 MPa modulus ensures durability without brittleness, while the nucleated structure supports flawless aesthetics and dimensional stability. Manufacturers in Noida, Gurgaon, and Manesar rely on M65NR for consistent, scalable production of everyday essentials.

Comparative Analysis & Grade Selection M65NR vs M50NR1 vs CM65NR

 M65NR (65 MFI) – Ultra-High Flow, Maximum Productivity

M65NR is engineered for absolute throughput in extreme-cavity molds (256+), where cycle time and pigment/additive dispersion are critical. The 65 MFI enables the fastest fill and cooling rates, making it unmatched for high-speed TWIM and masterbatch compounding. Flexural modulus is slightly lower than M50NR1 but remains ideal for ultra-thin wall and consumer applications.

M50NR1 (50 MFI) – Balanced Flow and Stiffness

M50NR1 offers a lower MFI (50), delivering higher stiffness (1500 MPa) and is preferred for applications where wall thickness is moderate (0.5–0.8 mm) and part rigidity is a priority. It is the go-to for 128-cavity molds and stackable containers.

CM65NR – Impact Copolymer Alternative

CM65NR is an impact copolymer grade (also 65 MFI) designed for applications needing enhanced impact strength, such as automotive components and industrial packaging. While flow is similar, CM65NR provides extra toughness at the expense of some stiffness and clarity, making it suitable for heavy-duty or outdoor products. Selection Guide: Choose M65NR for ultra-high flow, maximum-cavity TWIM and masterbatch compounding; M50NR1 for higher stiffness and moderate cavities; CM65NR for impact-critical applications.

256-Cavity TWIM Process Guide (M65NR Optimized)

For 256-cavity molds, set injection pressure to 1300–1700 bar and holding pressure to 700–1000 bar. Cooling times drop to 3–6 seconds thanks to nucleation, with ejection at 90–100°C. Mold temperatures of 30–40°C are optimal for rapid part release and minimal warpage. Energy savings of 15–25% are typical due to reduced cycle times and lower chiller loads. Please note: M65NR has been superseded by M70NR1 - superior alternative with improved performance metrics and cost efficiency. Explore full specifications, applications, and advantages to see how it delivers better value for your manufacturing needs.

HMEL PP Polysure R03RR is a polypropylene homopolymer tape-extrusion grade produced by HMEL using Novolen gas-phase technology for raffia, monofilament, and woven-sack applications. It offers extremely low water-carry-over, high tenacity, and excellent processability for high-speed tape and monofilament lines.

R03RR vs R03RR1 and other HMEL PP homopolymer grades

R03RR (Novolen) is ideal for raffia/tape extrusion, while R03RR1 (Spheripol-II) targets similar applications with alternate technology. Both are part of HMEL's woven-sack/tape PP portfolio.

Technical Properties & Processing

• Melt Flow Index (230°C/2.16kg):4–3.5 g/10 min (ASTM D1238)
• Tensile Strength at Yield: ≈34 MPa (ASTM D638)
• Elongation at Yield: ≈9% (ASTM D638)
• Flexural Modulus: 1500 MPa (ASTM D790)
• Vicat Softening Point: 154°C (ASTM D1525)
• HDT (0.455 MPa): 95°C (ASTM D648)
• Processing Window: Cylinder 200–260°C, line-specific
• No metal stearates/slip agents; extremely low water-carry-over

Applications & Industry Use Cases

Raffia Tape & Woven-Sack Applications

Polysure R03RR is optimized for high-speed tape extrusion and woven-sack manufacturing, delivering strong, ductile tapes for food-grade and industrial sacks.

Monofilaments, Ropes, Strapping & Leno Bags

The grade provides stable draw-down, low breakage, and excellent tenacity for monofilament yarns, ropes, strapping, and mesh-style packaging.

Thermoforming and Structural Webbing Uses

R03RR supports thermoformed bands, straps, and structural webbing applications that demand high stiffness and ductility.

Performance Advantages of Polysure R03RR

R03RR delivers extremely low water-carry-over, reducing bubbles and line instability. Its high stiffness and ≈9% elongation balance enable tear-resistant tapes and ropes, while its processability ensures smooth, stable production on modern raffia lines.

Comparison to Other PP Tape / Raffia Grades in India

• Polysure R03RR (HMEL): Novolen, 3.4–3.5 MFI, tape/raffia/monofilament
• R03RR1 (HMEL): Spheripol-II, similar applications, alternate tech
• IOCL 1030RG / AS030N (Propel): Homopolymer, ~3.3 MFI, tape/raffia
• Reliance H030SG (Repol): Homopolymer, raffia grade
• HR003 (MRPL): Tape/raffia, low water-carry-over

Key Differentiators: R03RR is the go-to for woven-sack, tape, and monofilament lines needing low water-carry-over and high tenacity.

HMEL PP Polysure R03RR1 is a polypropylene homopolymer tape-extrusion grade produced by HMEL using Spheripol-II technology for raffia, monofilament, and woven-sack applications. It features extremely low water-carry-over, high tenacity, and excellent processability for high-speed tape and monofilament lines.

R03RR1 vs R03RR and other HMEL PP homopolymer grades

R03RR1 (Spheripol-II) is tailored for high-speed raffia/tape extrusion and monofilament, while R03RR (Novolen) targets similar applications with alternate technology. Both are part of HMEL's woven-sack/tape PP range.

Technical Properties & Processing

• Melt Flow Index (230°C/2.16kg):4–3.5 g/10 min (ASTM D1238)
• Tensile Strength at Yield: ≈34 MPa (ASTM D638)
• Elongation at Yield: ≈9% (ASTM D638)
• Flexural Modulus: 1500 MPa (ASTM D790)
• Vicat Softening Point: 154°C (ASTM D1525)
• HDT (0.455 MPa): 95°C (ASTM D648)
• Processing Window: Cylinder 200–260°C, line-specific
• No metal stearates/slip agents; extremely low water-carry-over

Applications & Industry Use Cases

Raffia Tape & Woven-Sack Applications

Polysure R03RR1 is engineered for high-speed tape extrusion and woven-sack manufacturing, yielding strong, ductile tapes for food-grade and industrial sacks.

Monofilaments, Ropes, Strapping & Leno Bags

The grade delivers stable draw-down, low breakage, and high tenacity for monofilament yarns, ropes, strapping, and mesh-style packaging.

Thermoforming and Structural Webbing Uses

R03RR1 supports thermoformed bands, straps, and webbing applications needing high stiffness and ductility.

Performance Advantages of Polysure R03RR1

R03RR1 features extremely low water-carry-over, minimizing bubbles and line instability. Its high stiffness and ≈9% elongation balance enable tear-resistant tapes and ropes, while its processability ensures smooth, stable production on modern raffia lines.

Comparison to Other PP Tape / Raffia Grades in India

• Polysure R03RR1 (HMEL): Spheripol-II, 3.4–3.5 MFI, tape/raffia/monofilament
• R03RR (HMEL): Novolen, similar applications, alternate tech
• IOCL 1030RG / AS030N (Propel): Homopolymer, ~3.3 MFI, tape/raffia
• Reliance H030SG (Repol): Homopolymer, raffia grade
• HR003 (MRPL): Tape/raffia, low water-carry-over

Key Differentiators: R03RR1 is a premium choice for woven-sack, tape, and monofilament lines needing low water-carry-over and high tenacity, with Spheripol-II technology for advanced processability.

HMEL Polysure TF06RE is a polypropylene terpolymer engineered as the heat-seal skin layer in biaxially oriented polypropylene (BOPP) films for flexible packaging. Manufactured using HMEL's advanced Spheripol-II technology, TF06RE combines low seal initiation temperature, superior optical properties, and stable processability on modern high-speed BOPP lines. This specification-driven resin is trusted by converters and packaging brands across India and Asia for snack food, bakery, confectionery, and industrial packaging applications where heat-sealability, clarity, and compliance are non-negotiable.

Technical Insights & Industry Authority

Polysure TF06RE's semi-crystalline terpolymer structure delivers a critical balance between low seal initiation temperature (~110°C) and high melting point, enabling efficient sealing on vertical form-fill-seal (FFS) and flow-wrap machines without compromising film clarity or hot-tack strength. The integrated antiblock additive package improves film handling and winding while maintaining excellent processability across the full extrusion temperature window (230–280°C). The terpolymer design—distinct from generic random copolymers—provides superior comonomer distribution, resulting in consistent melt flow (MFI 6.0 g/10 min) and uniform seal performance across production runs. Advanced catalyst technology ensures minimal impurities and stable thermal behavior, supporting high line speeds (300+ m/min on modern tenter-frame BOPP lines) without gauge variation or seal defects.

Applications & Industry Use Cases

Heat-Seal Skin Layer in Transparent BOPP Films

TF06RE is engineered specifically for the heat-seal layer of transparent BOPP film structures used in flexible packaging. Its low seal initiation temperature allows converters to seal at lower jaw temperatures or shorter dwell times, reducing energy consumption and enabling faster line speeds. The terpolymer's excellent hot-tack strength ensures strong seals even at the edge of the sealing window, critical for high-speed FFS and flow-wrap applications where seal consistency directly impacts production yield and pack integrity.

Flexible Packaging for Snacks, Bakery & Confectionery

Snack food packaging—including chips, namkeen, biscuits, and chocolate bars—relies on heat-sealable BOPP films for shelf appeal and product protection. TF06RE delivers the gloss and clarity that premium snack brands demand, while its low SIT enables efficient sealing on vertical-FFS lines running at 100+ packs/minute. The resin's food-contact compliance and stable seal performance across temperature fluctuations make it ideal for both ambient and chilled snack applications.

Form-Fill-Seal (FFS) and Shrinkable Co-Extruded BOPP Structures

Modern vertical-FFS machines require seal-layer resins that balance low sealing temperature with wide hot-tack window and minimal sticking. TF06RE meets these demands, enabling converters to optimize cycle times and reduce scrap. For shrinkable co-extruded BOPP films—used in high-shrink wraps, tamper-evident overwraps, and specialty packs—TF06RE's thermal stability supports the annealing and shrinking processes while maintaining seal integrity and optical clarity.

Industrial, Pharmaceutical & Personal Care Overwraps

Beyond FMCG, TF06RE is specified for pharmaceutical blister overwraps, tissue and wipe packs, diaper and sanitary product overwraps, and industrial packaging where gloss, clarity, and reliable heat-sealing are essential. Its compliance with food and pharma standards, combined with excellent processability, makes it a go-to grade for converters serving regulated industries.

Performance Advantages in BOPP Structures

Low Seal Initiation Temperature & Wide Sealing Window

TF06RE's SIT of approximately 110°C is significantly lower than generic PP random copolymers (typically 130–150°C), enabling converters to reduce jaw temperature and dwell time. This translates to energy savings, faster line speeds, and a wider sealing window—critical for maintaining seal strength even when line conditions vary. The combination of low SIT with high hot-tack strength ensures reliable seals across the full operating range without edge sticking or weak seals.

Optical Quality: Clarity, Gloss & Transparency

The terpolymer's molecular design and HMEL's Spheripol-II process technology deliver exceptional optical properties. TF06RE provides high gloss (>90 ASTM D2457) and outstanding clarity, enabling premium visual presentation for consumer-facing packages. This optical advantage is particularly valuable for transparent BOPP films where product visibility and shelf impact drive purchasing decisions.

Line Productivity & High-Speed Processing

TF06RE's balanced melt flow and thermal stability support consistent extrusion on modern tenter-frame BOPP lines operating at 300+ m/min. The resin's uniform processability minimizes gauge variation, die pressure fluctuations, and line stoppages, directly improving production efficiency and reducing waste. Converters report stable film formation, consistent seal performance, and reliable winding across extended production runs.

Compliance, Safety & Regulatory Details

Food-Contact & Drinking-Water Compliance

TF06RE is manufactured to meet IS 10910 specifications for polypropylene in direct food contact, including foodstuff, pharmaceutical, and drinking-water applications. Its additive package complies with the positive list outlined in IS 16738:2018 (Plastics – Additives for use in food-contact materials) and aligns with FDA CFR 21 §177.1520 (Olefin polymers). This multi-standard compliance enables global market access for converters serving food, pharma, and beverage brands.

Storage, Handling & Safety

Store TF06RE in a cool, dry environment (15–25°C, <65% relative humidity) in original sealed bags to prevent moisture absorption and oxidation. Avoid prolonged exposure to direct sunlight or heat sources. Standard industrial hygiene practices apply; consult the Safety Data Sheet (SDS) for detailed handling and emergency procedures. No special disposal requirements; TF06RE is recyclable as post-consumer and post-industrial polypropylene waste.

Processing Guidelines for BOPP Film Lines

Recommended Extrusion Temperature Profile

Maintain barrel temperatures in the range of 230–280°C, with typical settings around 250–270°C for skin-layer extrusion. Gradual temperature rise from hopper to die prevents thermal degradation and ensures stable melt viscosity. Monitor die temperature closely; excessive heat can reduce seal strength and increase extractables, while insufficient heat may cause gauge variation and poor film formation.

Quench, Orientation & Annealing Considerations

Cool the extruded film to approximately 10–15°C below the extrusion temperature using chilled water or air quench systems. Proper quenching locks in film crystallinity and improves optical properties. During biaxial orientation (machine direction and transverse direction stretching), maintain controlled temperature and stretch ratios to achieve balanced mechanical properties and seal performance. Post-orientation annealing at 100–120°C stabilizes dimensions and enhances heat resistance.

Tips for Optimizing Seal Strength & Hot-Tack

To maximize seal performance, ensure consistent jaw temperature (typically 120–140°C for TF06RE) and dwell time (50–150 ms, depending on line speed and film thickness). Maintain even pressure across the sealing jaw to prevent edge sticking or weak seals. Regular jaw cleaning and maintenance prevent contamination-related seal defects. Monitor seal strength using standard hot-tack and seal-strength tests (ASTM F88, ASTM D6775) to validate process stability.

Why Choose TF06RE Over Other BOPP Seal-Layer Resins

TF06RE vs Generic PP Random Copolymers

Random copolymers (PP-R) used in BOPP seal layers typically offer lower cost but require higher sealing temperatures (130–150°C) and narrower hot-tack windows. TF06RE's terpolymer structure delivers lower SIT (~110°C), wider sealing window, and superior hot-tack strength—enabling faster line speeds, energy savings, and fewer seal defects. For converters running high-speed FFS or flow-wrap lines, TF06RE's performance advantage justifies the grade premium.

TF06RE vs Coated Heat-Seal BOPP Films

Some converters use coated BOPP films with applied heat-seal layers (e.g., wax or polymer coatings) to achieve low-temperature sealing. While coatings can lower SIT, they add cost, complexity, and environmental concerns. TF06RE achieves comparable or superior seal performance through inherent resin chemistry, eliminating coating steps and enabling full recyclability. Additionally, TF06RE's integrated antiblock package improves film handling without additional surface treatments.

TF06RE vs Global Terpolymer Grades (INEOS, Borealis, COSMOPLENE)

Competing terpolymer grades (e.g., INEOS Eltex P KV309, Borealis TD310BF, COSMOPLENE FS5612) offer similar technical profiles but differ in supply footprint, lead times, and regional support. TF06RE is manufactured by HMEL, a major Indian PP producer with significant capacity and established distribution across Asia. For converters in India and neighboring regions, TF06RE provides comparable performance with shorter lead times, lower logistics costs, and dedicated technical support from HMEL's application team.

Ordering, Packaging & Logistics

Supply Footprint & Lead Time Highlights

TF06RE is stocked at distribution centers across North India (Delhi, Haryana, UP), West India (Gujarat, Maharashtra), and select locations in South and East India. Standard lead time is 3–5 working days from order confirmation for ex-stock deliveries. Bulk orders and custom specifications may require 7–10 working days. Pan-India dispatch is supported by 50+ logistics partners with 24-hour delivery guarantees to major industrial hubs.

Technical Support & Trials for BOPP Film Makers

Dedicated technical support is available to assist converters with grade selection, process optimization, and on-site line trials. HMEL's application engineers can provide guidance on extrusion parameters, seal-strength testing, and troubleshooting. Sample quantities (10–50 kg) are available for trial runs on existing BOPP lines, enabling converters to validate performance before bulk orders.

HMEL PP Polysure Y12GR is a polypropylene homopolymer fibre and filament grade developed by HPCL-Mittal Energy Limited under the Polysure brand for fibre spinning applications that demand strong processing consistency and dependable yarn performance. Officially positioned for staple fibres and high-tenacity multifilament yarn, this 12 MFI PP homopolymer is engineered for processors who need stable spinning behaviour, reliable output, and end-use performance in technically demanding textile and industrial fibre applications. HMEL highlights excellent processing, superior tenacity, and anti gas fading property as the defining strengths of Y12GR, making it a relevant choice for manufacturers focused on fibre quality, production efficiency, and long-term product appearance. HMEL is one of India’s major petrochemical manufacturers, and the Polysure polypropylene portfolio is known for reactor-grade consistency across multiple application families including homopolymers, impact copolymers, random copolymers, and speciality grades. Within the fibre and filament segment, Y12GR is positioned as a specialised PP homopolymer grade for staple fibre and high-tenacity multifilament yarn where strength retention, process stability, and resistance to gas-fading-related quality issues matter. For buyers searching for HMEL Polysure Y12GR supplier in India, PP fibre spinning grade, or polypropylene homopolymer for staple fibre and multifilament yarn, this grade stands out as a purpose-built solution rather than a general polymer option.

Deep Technical Insights

The most important verified technical parameter for HMEL Polysure Y12GR is its melt flow index of 12 g/10 min as per ASTM D1238. In fibre and filament processing, this MFI range supports controlled melt behaviour that is suitable for spinning operations where consistency, filament formation, and process stability are more important than ultra-high flow. A 12 MFI PP homopolymer grade is generally well aligned with applications that require a balance between spinnability and mechanical performance, especially where the finished fibre or yarn must maintain useful tensile properties in downstream use. HMEL specifically positions Y12GR for staple fibres and high-tenacity multifilament yarn, and this is important because the assigned grade is not simply based on flow alone. The manufacturer also highlights superior tenacity and anti gas fading property, which signals that the grade is designed for fibre applications where strength, appearance retention, and service reliability are important. As a PP homopolymer, Y12GR also benefits from the stiffness and strength profile commonly associated with  Homopolymer polypropylene, which supports fibre orientation and structural integrity in many textile and technical yarn applications. Since the public HMEL sources do not openly provide verified numerical values for tensile strength, elongation, hardness, flexural modulus, thermal properties, denier range, or exact processing temperatures for Y12GR, the most accurate technical approach is to present the manufacturer-confirmed MFI, fibre-grade positioning, and qualitative strengths without publishing unverified numbers. This keeps the page technically credible while still giving manufacturers the key decision-making signals they need.

Applications and Industry Use Cases

Staple Fibre Manufacturing

HMEL Polysure Y12GR is well suited for staple fibre manufacturing where processors require a polypropylene homopolymer grade that can run consistently on fibre spinning lines while supporting dependable fibre strength. It is relevant for applications such as nonwovens, industrial staple fibre, hygiene-linked fibre products, automotive felt components, filtration media, and geotextile-related uses. In these applications, stable processing and reliable tenacity are important because the fibre must perform consistently through conversion and end use.

High-Tenacity Multifilament Yarn

Y12GR is also positioned for high-tenacity multifilament yarn, making it suitable for technical textile applications where yarn strength and process reliability are central to product quality. This includes ropes, twines, industrial sewing yarn, carpet-related yarn systems, and other multifilament structures where manufacturers need a PP fibre grade that supports orientation and durable yarn formation. Its manufacturer-stated superior tenacity makes it particularly attractive for converters focused on strength-led Performance.

Technical Textile and Industrial Fibre Applications

For technical textile producers, Y12GR offers a practical balance of processability and end-use strength in applications where polypropylene homopolymer is preferred for its lightweight nature, chemical resistance, and cost-effective fibre performance. It can fit industrial textile programs where fibre consistency, production stability, and quality retention are important to downstream converting operations.

Applications Requiring Anti Gas Fading Performance

One of the more important differentiators of Y12GR is its anti gas fading property, which is especially relevant in fibre and yarn applications exposed to storage, packaging, transport, or service environments where oxidative gases can affect appearance or long-term quality. This makes the grade valuable in colour-sensitive textile and fibre segments where maintaining visual and performance stability is commercially important.

Comparable Alternatives

Within the HMEL Polysure fibre portfolio, the closest alternative to Y12GR is Y25GR or Y25GR1. While Y12GR is a 12 MFI PP homopolymer designed for staple fibres and high-tenacity multifilament yarn, Y25GR and Y25GR1 are higher-MFI fibre grades positioned for carpets, multifilament yarn, and bulk continuous filament applications. In practical terms, Y12GR is the more suitable choice when the application is centred around strength-oriented fibre spinning and controlled processing, while Y25GR-series grades are better aligned with faster-flow fibre applications and carpet or BCF-focused Production. Across other Indian producers, IOCL and OPaL also offer PP homopolymer fibre grades for filament, nonwoven, carpet yarn, and related fibre applications. These can be considered functional alternatives, but they should not be treated as direct one-to-one equivalents unless the exact manufacturer TDS confirms matching MFI, spinning behaviour, and end-use orientation. The rationale behind choosing Y12GR is that it is a purpose-assigned HMEL fibre grade built specifically for staple fibre and high-tenacity multifilament yarn, with manufacturer-backed positioning around excellent processing, superior tenacity, and anti gas fading rather than broad generic fibre use.

Polysure Y35GR is a controlled-rheology polypropylene homopolymer manufactured by HMEL using advanced Novolen technology. With a melt flow index of 35 g/10min, Y35GR is engineered for nonwoven spunbond fabrics, fine denier multifilament yarns, and industrial textiles. It delivers superior gas fading resistance, inherent UV protection, and narrow molecular weight distribution for consistent spinning and high-speed production. Fully IS 10910 and FDA 21 CFR 177.1520 compliant, Y35GR is trusted by medical, hygiene, and nonwoven converters for demanding applications. Key Technical Insights:

• MFI 35 g/10min
• Tensile Yield 33 MPa
• Elongation at Yield 11%
• Flexural Modulus 1150 MPa
• Izod Notched 30 J/m
• Vicat 153°C
• HDT 90°C

Processing Guidelines: Barrel 195–235°C, Die 235–240°C, Quench Air 15–18°C. Stable melt flow and controlled rheology ensure uniform fiber diameter and minimal breakages in high-speed spunbond lines.

Applications: Nonwoven Spunbond Fabrics & Multifilament Yarn

Y35GR is purpose-built for nonwoven spunbond production, excelling in face masks (N95/surgical), medical aprons, suit covers, and diaper topsheets. Its controlled rheology enables fine denier multifilament yarns for technical textiles, geotextiles, and industrial applications. The grade's superior gas fading resistance protects fiber color and strength against NOx, O3, and automotive emissions, making it ideal for outdoor and industrial nonwovens. High-speed spunbond lines benefit from Y35GR's smooth melt, low die pressure, and consistent output above 2000 m/min.

Y35GR Performance Advantages

Polysure Y35GR stands out for its controlled-rheology design, narrow molecular weight distribution, and inherent UV stabilization. Compared to standard reactor PP grades, Y35GR offers superior gas fading resistance, enabling color-stable nonwovens for demanding hygiene and medical applications. The grade's higher MFI (35 vs 25) supports finer denier production and faster line speeds, while maintaining excellent mechanical balance for nonwoven durability. Its positive list additives and regulatory compliance ensure suitability for food contact, medical devices, and pharma packaging.

Comparable Nonwoven Grades in India

Alternatives include Y35GR1 (Spheripol reactor, broader MWD), Y25GR (lower MFI for thicker denier), E35RR (extrusion coating focus), IOCL 1350YG (reactor, less gas fading resistance), OPAL RH38 (import alternative), and Reliance HY035R (reactor grade). Y35GR's Novolen controlled-rheology process and gas fading resistance provide a unique advantage for converters targeting medical-grade nonwovens and color-stable spunbond fabrics. Please note: Y35GR has been superseded by Y35GR1 - superior alternative with improved performance metrics and cost efficiency. Explore full specifications, applications, and advantages to see how it delivers better value for your manufacturing needs.

Polysure Y35GR1 is a premium Controlled Rheology Polypropylene Homopolymer, engineered by HPCL-Mittal Energy Ltd (HMEL) using advanced Spheripol-II technology. Y35GR1 is purpose-built for high-speed spunbond nonwoven, fine denier multifilament yarn, and extrusion coating. It combines outstanding processability, superior spinnability, and proven resistance to gas fading—making it the first choice for medical, hygiene, and technical textile applications. Manufactured in HMEL’s Bathinda refinery, the brand Polysure stands for consistent quality, regulatory compliance, and technical support.

Technical Properties & Performance Specifications

• Melt Flow Index (ASTM D1238, 230°C/2.16 kg): 35 g/10 min, indicating excellent flow characteristics suitable for high-speed processing and precision moulding applications.
• Tensile Strength at Yield (ASTM D638): 32 MPa, providing strong mechanical performance and reliable structural integrity in finished components.
• Tensile Elongation at Yield (ASTM D638): 10%, offering balanced stiffness with moderate flexibility during processing and end-use.
• Flexural Modulus – 1% Secant (ASTM D790A): 1250 MPa, ensuring good rigidity and dimensional stability for molded products.
• Notched Izod Impact Strength at 23°C (ASTM D256A): 30 J/m, supporting adequate resistance to sudden impact under standard conditions.
• Vicat Softening Temperature (ASTM D1525, 10N): 151°C, demonstrating strong heat resistance for applications exposed to elevated temperatures.
• Heat Deflection Temperature (ASTM D648, 0.455 MPa): 90°C, allowing the material to maintain shape and performance under moderate thermal loads.

Applications & Industry Use Cases

Medical & Hygiene Nonwovens: Y35GR1 delivers high-speed, stable extrusion for spunbond fabrics used in face masks, surgical gowns, medical coveralls, and hygiene products like diaper topsheets and sanitary napkin backsheets. Its anti-gas fading formulation ensures color stability in sensitive medical and hygiene environments. Technical Yarns & Industrial Nonwovens: Ideal for fine denier multifilament yarns (<2 dpf), Y35GR1 provides excellent spinnability, making it suitable for applications such as sewing threads, carpet backing, and industrial textiles. In industrial nonwovens, it’s used for filtration media, geotextiles, and crop covers—delivering high throughput and reliable mechanical properties. Extrusion Coating: Y35GR1’s controlled rheology supports uniform coating in packaging, technical laminates, and nonwoven composites, ensuring process efficiency and product consistency.

Alternatives & Comparative Overview

Several polypropylene grades offer similar processing performance to Y35GR1, with variations in stiffness, processing technology, and application focus. Key alternatives include:

• Y35GR – Melt Flow Index (MFI) 35 using Novolen CR technology with a flexural modulus of around 1150 MPa. Commonly used in nonwoven and multifilament applications. Compared to Y35GR1, it offers slightly lower stiffness.
• 1350YG – MFI 35, produced with IOCL Spheripol-II technology, delivering a flexural modulus of approximately 1200 MPa. Suitable for spunbond nonwovens and diaper applications. Being reactor-based, it typically has less CR (controlled rheology) control compared to Y35GR1.
• RH38 – MFI 38 with OPaL Ineos Gas Phase technology and a flexural modulus of about 1200 MPa. Used in spunbond and fine denier fibers. Its higher MFI improves flow, and the grade is known for anti-gas fading performance.
• Y25GR1 – MFI 25 produced via Spheripol-II technology, with a flexural modulus near 1200 MPa. Best suited for BCF (Bulk Continuous Filament) and heavier denier yarn applications. The lower MFI supports stronger yarn formation.
• E35RR1 – MFI 35 using Spheripol-II technology, flexural modulus around 1200 MPa. Primarily designed for extrusion coating applications, offering coating-optimized processing characteristics.

These alternatives allow manufacturers to choose grades based on processing technology, stiffness requirements, and end-use performance, helping optimize production efficiency and product quality. Y35GR1 stands out for its Spheripol-II controlled rheology, highest flexural modulus (1250 MPa), and best-in-class spinnability—making it the premium choice for medical and fine denier nonwoven applications