Views: 12 Author: Site Editor Publish Time: 2025-04-10 Origin: Site
Formosa EVA 7470M (TAISOX 7470M) is a high-performance ethylene-vinyl acetate (EVA) copolymer specifically designed for foamed footwear applications. With 26% VA content and produced via high-pressure polymerization, it combines flexibility with excellent processability.
(EVA molecular structure)
Parameter | Value |
Melt Flow Index (190°C/2.16kg) | 7.5 g/10min |
Density | 0.948 g/cm³ |
Vicat Softening Point | 48°C |
Tensile Strength | 14 MPa |
Elongation at Break | 800% |
Low-Temperature Brittleness | < -70°C |
Chemical Foaming: Mature for compression/IM molding (0.2-0.3 g/cm³ foam density)
Physical Foaming: Compatible with supercritical fluid technology (requires melt strength enhancers)
(Chemical vs. physical foaming workflow)
Performance Metric | Typical Range |
Rebound Resilience | 40-55% |
Compression Set (50°C×24h) | 30-40% |
DIN Abrasion Loss | 150-200 mm³ |
Brand/Model | VA Content | MFI (g/10min) | Density (g/cm³) | Market Positioning |
Formosa 7470M | 26% | 7.5 | 0.948 | Cost-Effective Benchmark |
Hanwha E283F | 28% | 3.0 | 0.949 | High Tear Resistance |
LG ES28005 | 28% | 5.0 | 0.951 | Eco-Friendly Solution |
Yangzi-BASF V6110J | 26% | 6.0 | 0.947 | Preferred Domestic Alternative |
Pricing: Domestic grades: ¥11,000-13,000/ton; Imported grades: 5-10% premium
Supply Trends: 75% domestic production expected by 2025; PV-grade EVA competing for high-end capacity
Application | Recommended VA | Process Characteristics |
Running Shoe Midsole | 26-28% | Secondary Compression Foaming |
Basketball Shoe Cushioning | 26-30% | Injection Foaming + Rubber Outsole |
Outdoor Footbeds | 19-22% | High-Density Primary Foaming |
Eco Sandals | 18-20% | Bio-Based EVA Composite Foaming |
(EVA midsole integration in footwear)
Bio-Based EVA Adoption: e.g., Braskem’s I'm green™ series
Supercritical Foaming Proliferation
Elastomer Hybridization: POE/TPU/E-TPU blends
(Supercritical foaming system schematic)
Why Choose Formosa EVA 7470M?
As a trusted supplier of high-performance EVA materials, we proudly offer Formosa EVA 7470M (TAISOX 7470M) to meet your foamed footwear manufacturing needs. Here’s why you should partner with us:
Optimized Performance: Engineered with 26% VA content and superior melt flow (7.5 g/10min), our EVA ensures exceptional flexibility, durability, and process efficiency for foam applications.
Cost-Competitive Edge: Domestically produced with pricing advantages (¥11,000–13,000/ton), we deliver premium quality without the import premium.
Technical Support: Our team provides tailored guidance for foaming processes (chemical/physical), formulation optimization, and hybrid material integration.
Future-Ready Solutions: Stay ahead with our expertise in bio-based EVA blends and supercritical foaming technologies.
Contact us today to request samples, discuss bulk orders, or explore customized solutions. Let’s elevate your footwear products with Formosa EVA 7470M’s proven performance and reliability!
Technical Note: Data sourced from Formosa Plastics' TDS and industry publications. Performance validation through laboratory testing is recommended for specific formulations.
