HMEL PPCP Polysure CM12RE
Polysure CM12RE from HMEL is a true “no-break” polypropylene impact copolymer (PPCP) granule, engineered for injection moulding and compounding of luggage, automotive, and industrial components demanding extreme toughness. Produced on advanced Spheripol-II technology, CM12RE delivers exceptional low-temperature impact resistance and consistent performance across batches. Its MFI of 12 g/10 min offers the ideal balance between flow and mechanical strength, making it the preferred choice for manufacturers seeking high-toughness PPCP alternatives to Reliance, Haldia, or OPaL grades. CM12RE is designed for applications where drop resistance, durability, and reliability are non-negotiable.
Technical specifications of HMEL Polysure CM12RE
Material identification, HSN & CAS
- Polymer type: Polypropylene impact copolymer (heterophasic PPCP)
- Form: Natural granules, Spheripol-II process
Flow & physical properties
- Melt Flow Index: 12 g/10 min (230°C/2.16 kg) – supports medium-wall, complex parts with high toughness
- Consistent morphology: Spheripol-II ensures reliable performance and OEM approvals
Mechanical toughness & impact performance
- No-break grade: Passes instrumented impact/Izod tests at room and low temperatures without fracturing
- Superior toughness: Engineered for hard-shell luggage, automotive compounds, and heavy-duty parts where drop and cold-weather performance matter
Thermal & regulatory profile
- Service temperature: Suitable for typical PP IC ranges in luggage, automotive, and industrial mouldings
- Compliance: IS 10910 & IS 16738:2018 for food, pharma, and drinking water contact (processed as recommended)
Applications & industry use cases
Luggage and travel goods
CM12RE is the benchmark PPCP for hard-shell suitcases, trolley bags, and protective frames. Its no-break toughness ensures superior drop and impact resistance—reducing cracking at corners and handles during baggage handling and travel, even in cold conditions.
Automotive components & compounds
Ideal for compounding automotive bumpers, interior trims, battery boxes, and underbody shields, CM12RE serves as a robust base resin for filled and coloured compounds. Its consistent performance and impact strength meet demanding OEM specifications.
Industrial & heavy-duty moulded parts
For industrial crates, pails, housings, and machinery covers, CM12RE’s impact resistance and load-bearing capability outclass standard PPCP, ensuring reliability in harsh environments.
Compounding & custom PP impact formulations
As a masterbatch carrier or base for talc/fibre-reinforced or weatherable compounds, CM12RE delivers excellent dispersion, processability, and toughness—enabling custom solutions for technical and industrial applications.
Processing guidelines for CM12RE PPCP
Recommended injection-moulding window
- Melt temperature: 200–240°C
- Mould temperature: 30–45°C
- Packing: Ensure sufficient packing to avoid sink marks in thick ribs and bosses
Compounding considerations
- Compatible with mineral, fibre, and pigment fillers
- Standard PP IC screw design; throughput optimised for medium-high flow
Common issues & troubleshooting with PP impact copolymers
- Warpage: Use balanced cooling, especially in large or thick parts
- Flow marks: Increase injection speed or optimise gate design
- Short shots: Raise melt temperature or injection pressure, check venting
Performance advantages vs other PP impact copolymers
CM12RE vs CM12RR and other Polysure grades
- CM12RE: Focus on no-break toughness and low-temperature impact for luggage/auto
- CM12RR: Designed for stackability and stiffness, more suited for housewares/pails
CM12RE vs competitor PPCP grades (Reliance, Haldia, OPaL)
- CM12RE: No-break performance, Spheripol-II consistency, Indian origin
- Competitors: General-purpose tough grades, but may not match CM12RE’s impact in demanding luggage/auto/industrial roles
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FAQs
Frequently Asked Questions
What makes CM12RE a “no-break” PPCP grade?
How does CM12RE differ from CM12RR?
Is CM12RE suitable for food or pharma contact?
What are the best applications for CM12RE?
What processing conditions work best for CM12RE?
How does CM12RE perform in cold conditions?
Can CM12RE be used as a base resin for compounding?
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