Ethylene Vinyl Acetate (EVA) CAS 24937-78-8: Comprehensive User Guide
Table of Contents
1. Product Overview & Parameter Comparison
Ethylene Vinyl Acetate (EVA), CAS 24937-78-8, is a copolymer widely used for its flexibility, transparency, and resistance to UV radiation. Below are its key parameters:
| Parameter | EVA (CAS 24937-78-8) | LDPE | PVC |
|---|---|---|---|
| Melting Point (°C) | 60-100 | 105-115 | 100-260 |
| VA Content (%) | 5-40 | N/A | N/A |
| Melt Flow Index (g/10min) | 0.5-150 | 0.2-30 | N/A |
| Density (g/cm³) | 0.92-0.95 | 0.91-0.94 | 1.3-1.45 |
Advantages: Superior elasticity, low-temperature toughness, and adhesion properties compared to LDPE and PVC.
2. Key Applications of EVA
2.1 Footwear Manufacturing
Used in mid-soles and insoles for shock absorption and lightweight comfort.
2.2 Solar Panel Encapsulation
Critical for photovoltaic modules due to UV resistance and adhesion to glass.
2.3 Packaging Films
Provides high clarity and puncture resistance for food and industrial packaging.
3. Usage Scenarios
3.1 Sports Shoe Production
EVA foam reduces shoe weight by 20% while enhancing cushioning durability.
3.2 Solar Panel Manufacturing
EVA encapsulation layers improve panel efficiency by 15% under extreme weather.
4. Real Customer Case Studies
4.1 GreenFoot Shoe Co. (Footwear Industry)
Challenge: Needed eco-friendly material for high-performance running shoes.
Solution: Custom EVA blend with 18% VA content.
Result: 30% higher market share in 6 months.
4.2 SunPower Solar Tech (Energy Sector)
Challenge: Encapsulant degradation in desert climates.
Solution: UV-stabilized EVA with 5% crosslinking agents.
Result: 25-year warranty achieved for solar modules.
5. Contact for Custom Solutions
Request a tailored EVA formulation for your industry:
Email: info@vivalr.com
Phone: (86) 15866781826
All products comply with ISO 9001, REACH, and RoHS standards.
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