EVA - Ethylene Vinyl Acetate
High-performance thermoplastic resin for adhesives, coatings, and specialized applications
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Request a QuoteEthylene Vinyl Acetate (EVA) is a versatile copolymer of ethylene and vinyl acetate, with global production exceeding 4 million tonnes annually. This high-performance thermoplastic resin combines the properties of both polyethylene and vinyl acetate to create unique material characteristics.
The global EVA market was valued at approximately $8.2 billion in 2024 and is projected to grow at a CAGR of 5.6% through 2030, according to Grand View Research. The solar energy sector represents the fastest-growing application segment, with EVA used as an encapsulant film in over 95% of crystalline silicon photovoltaic modules globally.
EVA is made from ExxonMobil's autoclave process, designed to have several characteristics that meet customer needs. The material complies with ASTM D3475 specifications for rubber properties in tension and meets UL94 standards for flammability testing when formulated with appropriate additives. It is used in hot melt adhesive labels, insulation of wire and cables, replacing PVC, etc.
According to the American Chemistry Council, the footwear industry consumes approximately 40% of global EVA production for midsoles and foam cushioning applications. Using the latest technology, the polymerization conditions are optimized to meet the needs of each product and its use, with an emphasis on increasing productivity and product ownership. The operation of the whole process is automatically controlled, ensuring homogeneity of the products.
Specifications
| Method | Autoclave polymerization (ExxonMobil) |
| Density Range | 0.940 - 0.967g/cm³ |
| Melt Flow Range | 0.04 - 20g/10min |
| Available Grades | VS410, VS420, VS430, VS440, VC500, VC590, VC640, VC700, VC710, VA600, VA700, VA800, VA810, VA900, VA910, VA920, VA930, VE700, VE810, VL740 |
Features
Excellent Processability
Optimized polymerization conditions ensure consistent processing characteristics across all grades, enhancing productivity and manufacturing efficiency.
Superior Adhesion
Outstanding adhesiveness makes EVA ideal for hot melt adhesive applications, providing strong bonds for packaging, binding, and labeling.
Electrical Properties
Excellent electrical insulation properties make EVA suitable for wire and cable applications, including semiconductive shields and insulation layers.
Mechanical Performance
Optimized mechanical properties including flexibility and impact resistance, perfect for shoe soles and foaming applications.
Optical Clarity
Select grades offer excellent transparency, ideal for solar cell encapsulation and other applications requiring optical clarity.
Process Control
Automated process control ensures product homogeneity and consistent quality across all production batches.
Applications
- Hot melt adhesive labels
- Wire and cable insulation
- Electric wire base resin (outer semiconductive shield)
- Electric wire base resin (inner semiconductive layer)
- Shoe soles and foaming applications
- Solar cell encapsulants
- Industrial foams
- Thermal lamination
- Packaging adhesives
- Binding adhesives
- Bead foaming products
- PVC replacement applications
Frequently Asked Questions
EVA (Ethylene Vinyl Acetate) is a versatile copolymer of ethylene and vinyl acetate with global production exceeding 4 million tonnes annually. It combines the toughness and flexibility of polyethylene with the adhesive properties of vinyl acetate. EVA is characterized by excellent adhesion, flexibility, low-temperature toughness, and optical clarity, making it ideal for adhesives, foams, wire insulation, and solar cell encapsulation.
Syntex America supplies a comprehensive range of EVA grades from ExxonMobil's autoclave process including: VS series (VS410-VS440) for adhesive applications, VC series (VC500-VC710) for wire and cable applications, VA series (VA600-VA930) for general purpose applications, and VE/VL grades for specialized applications. Density ranges from 0.940 to 0.967 g/cm3 with melt flow rates from 0.04 to 20 g/10min.
EVA is used as an encapsulant film in over 95% of crystalline silicon photovoltaic modules globally. It provides excellent optical clarity for maximum light transmission, strong adhesion to glass and silicon cells, moisture barrier protection, electrical insulation, and UV stability. The EVA encapsulant film protects solar cells from environmental damage while maintaining long-term performance over the 25+ year lifespan of solar panels.
EVA is used across multiple industries: Footwear (approximately 40% of global consumption for midsoles and foam cushioning), Solar Energy (encapsulant films for photovoltaic modules), Adhesives (hot melt adhesives for packaging, labeling, and bookbinding), Wire and Cable (insulation and semiconductive shields), Sports Equipment (padding and protective gear), and Packaging (flexible films and laminations).
EVA offers several advantages over PVC for wire and cable insulation: better low-temperature flexibility without cracking, excellent electrical insulation properties, halogen-free formulation (no chlorine), lower smoke emission in fire conditions, easier recyclability, and superior resistance to environmental stress cracking. EVA is increasingly replacing PVC in applications where environmental and safety considerations are priorities.