EVA copolymer resin

Description

1. Product Overview

EVA copolymer resin is a versatile thermoplastic produced via high-pressure tubular or autoclave processes, offering controlled vinyl acetate (VA) content from 5% to 40%. It serves as the primary raw material for hot-melt adhesives, photovoltaic encapsulant films, and foam compounds. The key value proposition lies in its tunable polarity, adhesion strength, and compatibility with waxes and tackifiers. Strategically, it is irreplaceable for industries requiring bonding at lower processing temperatures and high filler loading capacity.

2. Key Specifications & Technical Characteristics

• Chemical composition: Ethylene-vinyl acetate copolymer, VA content 12% – 28% (standard industrial grades)

• Purity level: >99.5% active polymer, no plasticizers or inert fillers

• Physical characteristics: Translucent pellets; melt flow index (MFI) 2 – 400 g/10min; density 0.93 – 0.95 g/cm³

• Packaging options: 25 kg heat-sealed PE bags, 750 kg FIBC bulk bags, or custom silo pneumatic delivery

• Shelf life: 24 months in original unopened packaging below 40°C, away from UV exposure

3. Core Industrial Applications

• Primary industries: Packaging, woodworking, bookbinding, footwear, solar energy, and wire & cable

• Specific use cases: Hot-melt adhesives for carton sealing; encapsulant film for PV modules; foam midsoles via chemical crosslinking

• Performance advantage: Lower application temperature (140–180°C vs. 190+°C for polyolefins) reduces energy use and substrate degradation

• Efficiency benefit: Faster setting time and superior adhesion to low-surface-energy materials like PP and coated paper

4. Competitive Advantages

• Quality consistency: ISO 9001:2025 certified with batch-to-batch VA content variance ≤0.5%

• Supply reliability: Dual-sourced feedstock and three strategic warehousing hubs (Asia, EU, NAFTA) ensure 98% on-time dispatch

• Logistics capability: Just-in-time bulk shipping with RFID-tracked inventory

• Cost competitiveness: 8–12% lower total landed cost vs. European incumbents for Asian buyers

• Environmental: Recyclable processing scrap and VA grades compliant with EU REACH and RoHS

5. Commercial & Supply Information

• Minimum order quantity (MOQ): 20 MT (bulk)

• Loading capacity: 24 – 26 MT per standard 20-foot dry container (palletized bags) / 26 – 28 MT per container (FIBC bulk bags)