Lotte LVS430 is a premium 18% ethylene vinyl acetate (EVA) copolymer resin engineered by Lotte Chemical Corporation (South Korea), designed for high-performance foam, footwear, injection, and sheet molding applications. Produced via advanced high-pressure tubular polymerization, LVS430 offers unmatched foaming, mechanical strength, and processing consistency.  LVS430 is manufactured with tight control over molecular weight and vinyl acetate distribution, resulting in predictable processing and minimal batch variance (<2%). Physical form: white/natural pellets, 25 kg bags. Contains thermal stabilizers (300 ppm typical), no slip/anti-block, allowing custom additive integration. Fully compliant with ISO 9001:2015, RoHS, REACH, and ASTM standards. 

Processing Guidelines

• Foam Molding: 1–3% blowing agent (azodicarbonamide or CO₂); mold at 160–180°C; density 40–150 kg/m³ 
• Injection/Sheet Molding: Barrel 150–180°C; MFI 2.0 ensures smooth cavity fill, minimal defects 
• Extrusion: Tubes, strips, profiles; process at 150–180°C; avoid >190°C 
• Best Practices: Keep material dry, avoid excessive residence time, regular purging 

Performance Advantages 

• Foaming: Uniform expansion, fine cell structure, minimal voids—critical for comfort and durability 
• Mechanical: High tensile strength (260 kgf/cm²), elongation (~750%), 92 Shore A hardness 
• Temperature: Low melting point (86°C) reduces energy use, shortens cycle times 
• Chemical/Environmental: Resistant to oxidation, UV, ozone, common chemicals; flexible to -40°C 

Applications 

Foam Shoes & Midsoles (60% Market Share) 

• Compression/injection molded EVA soles, midsoles, slippers, sandals, orthopedic insoles 
• Delivers lightweight, resilient, and comfortable foam with uniform cell structure 
• Used by leading Indian footwear brands and contract converters 

Foam Sheets & Cushioning (20% Market Share) 

• Sports/yoga mats, protective packaging, equipment padding, insulation, anti-fatigue mats 
• Enables precise density control, excellent resilience, and long-term durability 

Injection & Sheet Molding (15% Market Share) 

• Flexible connectors, grips, appliance covers, vibration dampers, soft enclosures, gaskets 
• Supports complex, high-precision geometries and clean melt behavior 

Hot-Melt Adhesives & Compounds (3% Market Share) 

• Base resin for hot-melt adhesives, custom EVA blends, color/formulation masterbatches 
• No slip/antiblock additives for maximum compounding flexibility 

Wire & Cable Coating (2% Market Share) 

• Cable jacketing, insulation layers, flexible control cables for industrial/cold-climate use
• Maintains flexibility down to -40°C and resists oxidation/UV/ozone 

Lotte Chemical EVA LVS520 is a next-generation, high-VA ethylene-vinyl acetate (EVA) copolymer engineered for foam applications, injection molding, and comfort-centric footwear. Developed by Lotte Chemical (South Korea) using proprietary tubular process technology, LVS520 stands out for its superior softness, fine-cell foamability, and robust mechanical properties-making it the top choice for Indian footwear manufacturers, foam converters, and cushion product makers. With a melt flow rate (MFI) of 3.0 g/10 min, vinyl acetate content of 22 wt%, density 0.943 g/cm³, tensile strength at break 200 kg/cm² (~19.6 MPa), elongation at break 750%, Shore hardness 78A, Vicat softening 53 °C, and melt temperature 79 °C, LVS520 delivers unmatched foam softness, flexibility, and energy-efficient processing. Its high VA content and moderate MFI enable precise compounding, uniform cell structure, and soft, durable foam products-ideal for comfort footwear, sports pads, and custom molded foam parts.

Functional Features & Technical Authority

• High VA Content (22% VA): Delivers exceptional softness, elasticity, and comfort-outperforming standard 18–19% foam EVAs for premium feel and flexibility.
• Optimized MFI (3.0): Supports controlled foam mixing, uniform additive dispersal, and easy flow in injection and sheet molding equipment, reducing defects and boosting productivity.
• Fine-Cell Foamability: Proprietary process ensures fine, uniform cell structure for lightweight, soft, and resilient foam products.
• Low-Temperature Processing: Melt temperature of 79 °C and Vicat 53 °C allow for energy-efficient, thermally gentle processing-preserving material integrity and additive performance.
• Soft Yet Durable: Shore A 78 and 750% elongation provide a cushioned feel with robust mechanical support, resisting cracking and fatigue over repeated use.
• Excellent Mechanical Strength: Maintains tensile strength (200 kg/cm²) and flexibility even after crosslinking and foaming, ensuring long-term durability in footwear and cushioning.
• Versatile Processing: Readily processable in kneading, milling, injection, and sheet molding setups-compatible with standard equipment and a wide range of foam formulations.
• Consistent Quality: Lotte Chemical’s global pedigree ensures batch-to-batch reliability, traceability, and regulatory compliance.

Applications

Foam Shoe Soles & Footwear Components:

LVS520 is the benchmark for soft, comfortable EVA foam shoe soles, insoles, and footbeds-delivering superior cushioning, flexibility, and impact absorption for casual, comfort, and recreational footwear. Its high VA content ensures a plush, premium feel while maintaining structural support.

Injection Molding & Sheet Molding:

Ideal for injection-molded EVA parts (grips, handles, decorative elements) and sheet-molded foam products (custom foam sheets, thermoformed pads, blocks). LVS520’s MFI 3.0 allows for smooth flow and easy coloring, supporting complex shapes and detailed parts.

Cushion Products & Protective Padding:

Perfect for sports equipment padding, industrial cushioning, protective packaging, mats, and playground surfaces. Fine-cell foam structure and high elongation enable effective impact absorption and comfort.

General EVA Foam & Industrial Compounds:

Adaptable for custom foam formulations, general foam sheets, blocks, and as a modifier resin to boost softness and flexibility in blends for technical and consumer applications.

Key Application Highlights:

• EVA foam shoe soles, insoles, footbeds, sandals, slippers
• Injection-molded EVA parts and foam sheets
• Cushion pads, sports/protective padding, comfort layers
• Custom foam blocks, industrial compounds, modifier resin

Hanwha EVA 1319 is an ethylene-vinyl acetate (EVA) copolymer produced by Hanwha Solutions using a high-pressure autoclave process. Officially classified as a “Foam Molding Grade” with a melt index of 2.5 g/10 min and vinyl acetate content of 19 wt%, it is engineered for high-quality foam molding applications—especially shoes, sandals, and sponge. This grade stands out for its excellent foam molding property, strong mechanical performance, outstanding filler compatibility, and reliable elastic recovery, making it a trusted choice for footwear and foam converters across India.

Key Functional Properties

• Excellent foam molding property – Stable, uniform foaming for shoes, sandals, and sponge.
• Very good mechanical properties – High tensile strength and elongation for flexible, durable foam.
• Excellent loading property of various fillers – High tolerance for mineral fillers (CaCO₃, talc) without sacrificing processability.
• Good elastic property of sponge – Reliable rebound and recovery in mass-market foam.
• Regulatory: Complies for food-contact EVA copolymers.

Detailed Applications & Hierarchy

Foam Molding for Shoes & Sandals (Core Use)

• Compression-molded EVA sandals, slippers (Hawai, flip-flops, slides)
• Sports and casual shoe soles/midsoles (19% VA for softness and resilience)
• Colored foam sandals and seasonal shoes (pigmented compounds)
• Main manufacturing clusters: Haryana (Bahadurgarh, Faridabad), Delhi NCR, Tamil Nadu (Tiruppur), Gujarat, Maharashtra

Sponge & Foam Sheets

• EVA sponge sheets for packing, toys, craft foam, yoga mats, play mats, soft blocks, general cushioning
• 19% VA and 840% elongation deliver comfort and rebound for mass-market applications

EVA Compounds & Blends

• Blends with lower-VA EVA to tune softness and cost
• EVA/PE blends for higher stiffness in specialty profiles
• Base for colored compounds (fashion footwear, brand colors)
• Used by converters and compounders across India

General Consumer EVA Articles

• Soft grips, pads, bumpers, craft sheets, generic foam inserts for bags, equipment, and protective packaging

Hanwha TotalEnergies EVA E181L is an advanced 18% vinyl-acetate EVA copolymer engineered for high-speed T-die extrusion coating of BOPP film, kraft paper, aluminium foil, and flexible packaging. Manufactured by Hanwha TotalEnergies (South Korea) using proprietary high-pressure tubular polymerization, E181L delivers MFI 25 g/10 min, VA 18 wt%, density 0.940 g/cm³, tensile yield 125 kg/cm² (~12.3 MPa), elongation >600%, Vicat 56°C, melting point 83°C—making it the top choice for converters running high-productivity coating lines across India.

Key Functions, Features & Specs - Technical Authority

• 18%-VA-Adhesive: 18% VA content ensures strong adhesion to BOPP, kraft paper, foil, and film substrates.
• 25-MFI-HighSpeed: Melt index 25 g/10 min enables rapid, thin-layer extrusion at high line speeds.
• Optical-Clear: Proprietary tubular process yields excellent optical clarity and low gel level for transparent coatings.
• Coating-Focused: Explicitly designed for T-die extrusion coating—distinct from foam or general film EVAs.
• Balanced-Drawability: Stable film geometry, well-balanced drawability, and neck-in for reliable production.

Detailed Applications - Where E181L Excels

Extrusion Coating for Flexible Packaging (Core)

• BOPP film coating: For snacks, bakery, and dried goods packaging—moisture barrier, breathable, and printable.
• Kraft paper lamination: For food wraps, burger wrappers, pizza boxes—moisture and grease resistance.
• Aluminium foil lamination: For flexible, printable food packaging and technical laminates.
• Multi-layer films: EVA as a heat-seal or adhesion layer in co-extruded food packaging.

Why E181L:

High MFI allows thin, uniform coatings at high speed; 18% VA ensures strong substrate adhesion; low gel level and high clarity guarantee premium film quality.

General Flexible Packaging Films

• Stand-up pouches, gusset pouches, and laminates for non-food (cosmetics, detergents, industrial goods).
• Technical films, agricultural films with EVA heat-seal layer.

Specialty & Technical Films

• Tarpaulins, industrial tarps, protective films for glass, plastic, and metal.
• Custom laminates where clarity, adhesion, and thin-film performance are critical.

Miscellaneous Coating Applications

• Cable sheathing (select cases), film-to-substrate adhesive layers, industrial bonding.