Applications of Mitsui Chemicals Evaflex V961RC EVA in Industrial Manufacturing

Mitsui Chemicals Evaflex V961RC EVA is a premium ethylene-vinyl acetate copolymer engineered for a range of specialized industrial sectors. Our technical expertise and process quality enable consistent integration from compounding to finished product. Below, we outline primary downstream applications in which our customers successfully incorporate V961RC, specifying relevant technical and regulatory requirements, formulation insights, processing roles, and manufactured goods.

1. Photovoltaic Encapsulant Film Manufacturing

Photovoltaic module producers incorporate V961RC into encapsulant film compounding lines for its controlled melt flow, clarity, and cross-linking performance. The resin is introduced alongside cross-linking agents during extrusion lamination to achieve rigorous optical and electrical insulation, facilitating module durability across outdoor service life cycles. Integrators fine-tune the vinyl acetate content and use-specific stabilizer packages for optimal adhesion and yellowing resistance according to regional PV regulations.

Industry compliance standards

• IEC 61215 (Terrestrial photovoltaic module design qualification)
• UL 1703 (Standard for safety: flat-plate photovoltaic modules)
• REACH Regulation (EU chemicals safety)
• RoHS Directive (Restriction of Hazardous Substances in electronics)

Typical usage ratio

• 70–99% in encapsulant film layer; adjusted based on targeted cross-linking density and module architecture

Downstream process integration

• Added to compounding extruder as base resin with co-monomers, UV absorbers, and curing agents before sheet extrusion and subsequent lamination onto solar cells

Final product types

• Solar module encapsulant films (including standard and ultra-clear)
• Backsheet bond layers for crystalline silicon photovoltaic panels
• Flexible encapsulant sheets for emerging photovoltaic laminates

2. Footwear Injection Molding Compounds

Manufacturers of performance footwear leverage V961RC for its high elasticity and impact absorption, enabling the consistent production of midsoles, outsoles, and specialty inserts used in mass-market and technical shoes. Process optimization relies on V961RC's predictable melt viscosity and uniformity during foaming and injection operations, ensuring both mechanical stability and strict alignment with footwear chemical safety laws in key export markets.

Industry compliance standards

• EN ISO 20344/20347 (Safety footwear - test methods and occupational footwear)
• REACH (European Union chemical restrictions)
• California Proposition 65 (Restricted substance requirements in consumer goods)
• ISO 9001 (Quality management in manufacturing chains)

Typical usage ratio

• 35–70% in injected or foamed EVA blends, tailored to required density and resilience of finished part; ratio adjusted for desired hardness and colorant compatibility

Downstream process integration

• Blended in melt compounding extruders with blowing agents and pigments, then directed to high-pressure injection molds or continuous foaming lines for final shaping and cross-linking

Final product types

• Sport shoe midsoles and cushioning outsoles
• Anti-fatigue industrial footwear inserts
• Children’s light-up and colored shoe soles

3. Hot Melt Adhesives for Packaging & Laminates

Producers of hot melt adhesive (HMA) formulations rely on V961RC for its suitable balance of tack, flexibility, and adhesion on multiple substrates. It serves as a primary base resin for formulating high-tack adhesives used in carton sealing tapes, composite barrier laminates, and bookbinding. The low gel level and tailored melt index support repeatable compounding and thermal application performance demanded in automated packaging lines operating under strict GMP protocols.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives in food packaging, United States)
• EU Framework Regulation (EC) No 1935/2004 (Materials in contact with food)
• ISO 22000 (Food safety management systems, for packaging supply chains)
• GMP Regulation (EC) No 2023/2006 (Good Manufacturing Practice for food-contact materials)

Typical usage ratio

• 30–55% in adhesive matrix, modulated depending on needed open time, viscosity, and tack versus other additives such as tackifiers and waxes

Downstream process integration

• Incorporated as core resin in hot melt mixer, processed under controlled melt temperatures, then granulated or extruded into adhesive chips or pelletized for downstream melting and application

Final product types

• Heat-activated adhesive films and pellets for case and carton closure
• Laminating glues for coated flexible packaging substrates
• Bookbinding adhesives for commercial print finishing

4. Wire & Cable Insulation Compounds

Electrical and telecommunications cable manufacturers select V961RC for its insulation reliability, flexibility at low temperature, and compatibility with flame retardant masterbatches. It enters as a key material in extrusion compounding to achieve stable dielectric properties and surface smoothness, meeting comprehensive safety and environmental codes for wiring in commercial, automotive, and data transmission applications.

Industry compliance standards

• UL 62/UL 758 (Flexible cord and wire safety performance, North America)
• IEC 60228/IEC 60332 (International cable construction and flame retardancy)
• RoHS Directive (Removing hazardous substances)
• EN 50363 (Insulating and sheathing materials for cables, Europe)

Typical usage ratio

• 40–85% in compounded cable insulation blends, tuning ratio as per targeted dielectric strength and resistance to aging and softening agents

Downstream process integration

• Compounded with antioxidants, colorants, and flame retardant masterbatches in twin-screw extruders, then applied via continuous extrusion around copper or aluminum conductors before cooling and surface inspection

Final product types

• Flexible wire harness insulation for automotive use
• Sheathing for consumer electronics cables
• Low-voltage signal and power cable jackets

5. Film Grade EVA for Greenhouse and Agricultural Films

Agricultural and horticultural film producers incorporate V961RC for its light transmission, mechanical flexibility, and UV resistance. It supports efficient blending in mono- or co-extrusion lines, ensuring reliable performance in greenhouse covers and mulch films, which require strict compliance with material and environmental durability standards for extended outdoor exposure.

Industry compliance standards

• EN 13206 (European standard for plastic greenhouse films)
• Japan Agricultural Standards (JAS) for agricultural plastic sheeting
• ISO 9001 (Quality system for film production)
• Relevant national food safety guidelines where films contact edible plants

Typical usage ratio

• 10–40% in multilayer or single-layer film blends, with inclusion rate determined by light diffusion, weathering performance, and required tear strength

Downstream process integration

• Melt blended with LDPE/LLDPE base resins and UV stabilizers, then cast or blown in film extrusion processes prior to final winding or conversion into sheets and rolls

Final product types

• Greenhouse roofing and sidewall films
• Agricultural mulch and solarization films
• Thermal insulation film composites in large-scale horticulture