EVA (ethylene-vinyl acetate) is an ethylene-based copolymer where the vinyl acetate (VA) content influences flexibility, sealing performance, softness, and low-temperature behaviour. EVA is widely used in packaging for reliable heat sealing and good optical properties, and in hot-melt adhesive formulations due to its compatibility with common formulation components. At Esvama, we supply EVA grades selected to meet different processing and performance requirements across applications.
Our range of EVA (Ethylene-Vinyl Acetate) copolymers
EVA film grades
Key Features
- Low seal initiation temperature for reliable heat sealing
- Good flexibility and toughness
- Good optical properties such as clarity and gloss (grade dependent)
- Suitable for multilayer film structures
- Compatible with common film extrusion processes like cast film, blown film, coextrusion
Industry Applications
- Packaging: Seal layers in flexible packaging films
- Packaging: Lidding films and coextruded film structures
Technical Specifications
| Property | Value |
|---|---|
| VA content | Typically 6–18% (grade dependent) |
| Melt flow Index | Typically 0.5–10 g/10 min (grade dependent) |
| Density | Typically ~0.91–0.94 g/cm³ |
EVA adhesive grades
Key Features
- Widely used base polymer for hot-melt adhesive (HMA) formulations
- Good compatibility with tackifiers, waxes, and oils
- Allows tuning of tack, cohesion, and flexibility through formulation
- Stable processing behaviour in adhesive systems (grade dependent)
Industry Applications
- Adhesives: Hot-melt adhesives for packaging and assembly
- Industrial: Bonding and lamination applications
- Compounding: Polymer modification where added softness or flexibility is required
Technical Specifications
| Property | Value |
|---|---|
| VA content | Typically 18–40% (grade dependent) |
| Melt flow index | Typically 2–30 g/10 min |
| Density | Typically ~0.93–0.98 g/cm³ |
Why partner with Esvama for EVA?
At Esvama, we offer more than just polymer materials – we provide application insight and reliable sourcing. Our EVA grades are selected for consistent processing, compatibility with common formulations, and dependable performance in both film and adhesive applications. Whether your focus is sealing performance or adhesive development, Esvama supports you with technical understanding and stable supply.
Sustainability and Environmental Responsibility
EVA can contribute to efficient material design by enabling reliable sealing at lower temperatures and through optimised formulation use. Esvama works to promote efficient material usage, reduced waste, and compatibility with modern packaging structures, including solutions designed for recyclability where applicable.
Need help selecting the right EVA grade for your application?
Contact Esvama for tailored recommendations and technical support.
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