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 TotalEnergies EVA E181F (often marketed as Hanwha 181F / 18% EVA 181F) is a premium ethylene‑vinyl acetate (EVA) copolymer resin engineered for crosslinked foam applications, especially athletic shoe midsoles, insoles, and performance footwear foam. With 18 wt% vinyl acetate, melt flow rate 2.5 g/10 min (190°C/2.16 kg), and density 0.940 g/cm³, E181F is designed for conventional kneading and rolling equipment to mix crosslinking and foaming agents for high-rebound, cushioned, and robust footwear foams. Widely used in: Sports shoe manufacturing, foam converters, and footwear supply chains across Delhi-NCR, Gujarat, Maharashtra, Tamil Nadu, and all major Indian footwear clusters.

Functional Features & Specs - Why E181F Leads in Foam Footwear

• 18%-VA-Foam: 18 wt% vinyl acetate - industry standard for athletic and performance foam footwear.
• 2.5-MFR-Foaming: Melt flow rate 2.5 g/10 min (190°C/2.16 kg, ASTM D1238) - perfect for crosslinked foam processing, balancing flow and body.
• Athletic-Focused: Engineered and documented for midsoles/insoles of sports and performance footwear.
• High-Elongation: 750% elongation at break - delivers resilient, cushioned, long-lasting foam.
• Kneader-Friendly: Tailored for use in conventional kneading and rolling equipment for mixing crosslinker and foaming agents.
• Mechanical Authority: Tensile strength ≈ 23.5 MPa, density 0.940 g/cm³ - robust, high-rebound, and lightweight.
• Process Consistency: Detailed Hanwha documentation and global recognition ensure batch-to-batch reliability for converters and shoe brands.
• Global Certification: Supported by Hanwha TotalEnergies leaflets, MSDS, and global distributor data, making E181F a reference foam EVA for technical buyers.

Applications - Where E181F Excels

Crosslinked Foam Midsoles & Insoles

• Regions: Delhi-NCR, Gujarat, Tamil Nadu, Maharashtra
• Uses: Athletic shoe midsoles, insoles, footbeds, high-performance foam layers
• Why: 18% VA, 2.5 MFR, 750% elongation - ideal for rebound, cushioning, and durability in sports and performance footwear

General Footwear Foam

• Uses: Cushion pads, sandals, casual footwear, comfort layers, footbeds
• Why: Soft, lightweight, shock-absorbing foam - engineered for footwear comfort and performance

EVA Foam Sheets & Blocks

• Uses: Sports equipment, protective padding, ergonomic mats, industrial cushioning
• Why: High elongation and tensile strength, excellent for soft, resilient foam sheets and blocks

Other Crosslinked Foam Applications

• Uses: Sports mats, yoga mats, helmet padding, vibration-damping components
• Why: Proven crosslinking, mechanical stability, and foamability for diverse cushioning needs

High-Performance EVA Copolymer for Cross-Linked Foam, Gaskets & Industrial Applications

Taisox EVA 7350M is the benchmark 18% vinyl acetate copolymer resin from Formosa Plastics (Taiwan), designed for high-performance, cross-linked foam and industrial applications. Manufactured using advanced high-pressure polymerization, this grade delivers exceptional crosslinkability, elasticity, and chemical resistance-making it the trusted choice for India’s leading footwear, gasket, cable, and technical compound manufacturers.

Product Overview & Manufacturing Excellence

Taisox EVA 7350M is a soft, flexible thermoplastic copolymer engineered for demanding environments. Its 18 wt% vinyl acetate content is optimized for cross-linking, delivering a unique combination of high elasticity (~800% elongation), mechanical strength, and chemical resistance. Manufactured by Formosa Plastics using proprietary high-pressure technology, every batch offers consistent melt flow, uniform molecular weight, and reliable mechanical properties. 

• Base Polymer: Ethylene-Vinyl Acetate Copolymer (EVA) 
• Vinyl Acetate Content: 18 wt% (optimized for cross-linking) 
• Melt Index: 2.5 g/10 min (@190°C/2.16kg) 
• Density: 0.938 g/cm³ 
• Melting Point: 84°C 
• Physical Form: Pellets/Granules (25 kg bags, natural/white) 
• Additives: 300 ppm thermal stabilizer, no slip/antiblock (enables custom formulation) 

 Why Taisox EVA 7350M Outperforms

• Highly Crosslinkable: Engineered for peroxide cross-linking; achieves 70-90% gel content for permanent thermoset foam. Delivers <10% compression set at 70°C-ideal for premium footwear, gaskets, and seals. 
• Exceptional Elasticity: ~800% elongation at break ensures maximum flexibility and comfort, even after cross-linking. 
• Outstanding Chemical Resistance: Superior resistance to UV, ozone, oils, solvents, and environmental stress-cracking-suitable for outdoor and industrial use. 
• Low Processing Temperature: 84°C melting point reduces energy costs, minimizes degradation, and allows faster production cycles. 
• Superior Durability: Cross-linked foam lasts 3-4x longer than uncross-linked EVA, with 5+ year lifespans in demanding applications. 

Detailed Applications & Market Segments

Cross-Linked Foam Shoes & Midsoles (50% Market Share)

• Where: Tamil Nadu, Haryana, Delhi NCR, Gujarat 
• Use: Athletic midsoles, premium slippers, orthopedic insoles, recovery footwear 
• Why: Delivers long-term cushioning, shape memory, and durability for high-wear products 
• How: Peroxide cross-linking (1-3% loading), compression/injection molding at 150-180°C, post-cure for best gel content 

Gaskets, Seals & Cable Compounds (25% Market Share) 

• Where: Haryana, Gujarat, Maharashtra 
• Use: HVAC/refrigeration gaskets, automotive weather seals, cable jacketing, vibration dampers 
• Why: Maintains flexibility at -70°C, resists compression set, and stands up to chemicals and oils 

Foam Sheets & Cushioning (15% Market Share) 

• Where: Tamil Nadu, Gujarat, Delhi NCR 
• Use: Sports mats, packaging foam, anti-fatigue flooring, acoustic panels 
• Why: Lightweight, customizable density, superior outdoor durability 

Injection-Molded Parts (8% Market Share) 

• Where: Pan-India (OEMs, job shops) 
• Use: Flexible connectors, soft-touch grips, tubing, dampers, enclosures 
• Why: Consistent melt flow, easy processing, perfect for complex geometries 

Blending & Specialized Compounds (2% Market Share)

• Where: Pan-India 
• Use: EVA blends, hot-melt adhesives, custom color/formulations 
• Why: No slip/antiblock, clean compounding, easy pigment/filler integration 

Hanwha TotalEnergies EVA E180F is an industry-leading 18% ethylene-vinyl acetate (EVA) copolymer meticulously engineered for premium crosslinked foam applications-especially athletic shoe midsoles, insoles, and advanced cushion padding. Developed by Hanwha TotalEnergies (South Korea) using high-pressure tubular or autoclave polymerization, E180F is trusted by India’s top footwear and foam manufacturers for its balanced mechanical properties, superb foamability, and all-weather durability. With a melt index of 2.0 g/10 min, VA 18 wt%, density 0.940 g/cm³, tensile strength at break 260 kg/cm², elongation >750%, Shore D 38/A 92, Vicat 64°C, melt temp 86°C, and brittleness < -70°C, E180F delivers the optimal mix of resilience, cushioning, and processability. Its compatibility with standard kneading and rolling equipment, plus excellent split tear resistance and compression set, make it the top choice for athletic, comfort, and industrial foam solutions across India’s manufacturing clusters.

Functional Features & Technical Authority

• Crosslink-Ready Design: Engineered for crosslinked foam production, E180F offers superior compatibility with organic peroxides and foaming agents, ensuring robust crosslink formation and uniform foam cell structure.
• Exceptional Mechanical Performance: 260 kg/cm² tensile, >750% elongation, and Shore D 38/A 92 enable midsoles and pads to withstand repeated compression, flexing, and impact without permanent deformation or cracking.
• Outstanding Split Tear Resistance: The foam resists tearing and propagation of damage, critical for demanding sports and footwear applications.
• Compression Set Stability: Maintains cushioning and shape even after repeated use-ideal for athletic and comfort products where long-term support is essential.
• Low-Temperature Toughness: Brittleness temperature below -70°C ensures flexibility and resilience in cold weather, winter sports, and cold storage environments.
• Processability & Uniform Additive Dispersion: Optimized for kneading, milling, and compounding with fillers, colorants, stabilizers, crosslinkers, and blowing agents; supports precise, repeatable foam production.
• Balanced Hardness: Shore D 38/A 92 provides the ideal balance of softness and support for both performance and comfort footwear.
• All-Weather Durability: Retains mechanical and cushioning properties in diverse climates and under high-frequency use.

Applications

Athletic Shoe Midsoles & Insoles:

E180F is the benchmark for running, training, and performance footwear. Its balanced VA content and MFI provide resilient, shock-absorbing midsoles and insoles that withstand repeated impact, flexing, and compression during intense activity. The foam bounces back step after step, maintaining comfort and support for the shoe’s lifetime.

Sandals & General Footwear Foam:

Soft yet durable, E180F is widely used in EVA foam sandals, flip-flops, slippers, and casual shoes. Its lightweight, waterproof nature and processability make it easy to color, fill, and customize for diverse comfort footwear lines.

Cushion Pads & Protective Padding:

Ideal for sports equipment (elbow/knee pads, helmet padding), gym mats, exercise pads, and industrial or consumer protective foams. E180F’s split tear resistance and compression set stability ensure reliable shock absorption and long-lasting protection.

General EVA Foam & Industrial Applications:

Used in EVA foam sheets, blocks, and custom crosslinked foam formulations for automotive, appliance, packaging, and consumer goods. Its mechanical balance and processability make it a universal choice for premium foam applications.

Key Application Highlights:

• Athletic shoe midsoles/insoles (running, sports, casual)
• EVA foam sandals, slippers, comfort liners
• Sports/protective pads, gym mats, industrial cushioning
• Foam sheets, blocks, custom molded foam components