FPC Formosa Plastics Corporation
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Taisox EVA 7350M

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 

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