Applications of Hyundai VA910 EVA in Industrial Manufacturing

Hyundai VA910 EVA finds established and sustainable use in several key downstream industries requiring reliability, specific mechanical profiles, and strict process compatibility. The following scenarios reflect direct application experience from industrial partners using this grade for consistent production reliability.

1. Solar Photovoltaic Encapsulant Films

Large-scale photovoltaic module manufacturers use VA910 EVA as the core component for encapsulation films, exploiting its consistent melting behavior and transparency. Customers require this grade to meet nec­essary impact and moisture resistance, ensuring panel durability across climates and installation methods. Encapsulation involves advanced extrusion c­oating processes and lamination to bind and protect sensitive silicon cells through the module’s expected lifespan.

Industry compliance standards

• IEC 61215 for crystalline silicon terrestrial photovoltaic modules
• IEC 61730 for PV module safety qualification
• UL 1703 and UL 61730 for North American installations
• RoHS and REACH compliance regarding hazardous substances

Typical usage ratio

• 85% – 93% in the encapsulant film formulation, adjustable based on cell structure and required crosslinking level.

Downstream process integration

• Pellets dry-blended with additives (crosslinkers, silanes, antioxidants) and extruded into films, which are then laminated directly onto solar cells under vacuum and heat.

Final product types

• PVC-free solar encapsulant films
• Silicon PV cell modules (monocrystalline, polycrystalline)
• Flexible and building-integrated PV panels

2. Hot Melt Adhesives for Packaging & Lamination

Industrial adhesive producers employ VA910 EVA in formulating pressure-sensitive and hot melt adhesives destined for packaging, woodworking, and label stock production lines. The copolymer facilitates controlled tack, flexibility, and heat stability, critical for high-output automatic assembly and sealing equipment. The downstream process requires precision feeding of EVA-based granules into reactors and mixers, producing adhesive blocks or films suited for automated lines.

Industry compliance standards

• FDA 21 CFR 175.105 for food-contact packaging adhesives (where applicable)
• EN 923, EN 204 for adhesive product criteria
• GB/T 22375 for hot melt adhesives in packaging application

Typical usage ratio

• 20% – 45% of the total adhesive system; formulation tailored to final application (case sealing, label bonding, bookbinding) and balance between melt viscosity, open time, and finish requirements.

Downstream process integration

• Blending in hot-zones of mixers with resins, waxes, and tackifiers, followed by extrusion or compounding into hot melt pellets, pillows, or films for direct use in automated adhesive applicators.

Final product types

• Hot melt glue sticks for carton and case sealing
• Laminate and label adhesives for consumer packaging
• Adhesive backings for tapes and paper products

3. Foam Injection and Crosslinked Shoe Materials

Footwear sole and insole manufacturers select VA910 EVA for its reliable foamability and resilience, using it as the primary matrix for injection-molded foam components. Crosslinking with suitable agents provides shock absorption and recovery characteristics demanded by leading athletic, casual, and children’s shoe brands. The downstream workflow involves controlled mixing, expansion, and molding to precise customer specifications.

Industry compliance standards

• ISO 20871 for safety requirements in footwear outsoles
• GB/T 15107 for EVA foamed shoes
• Restriction of Restricted Substances List (AFIRM, REACH Annex XVII) for consumer safety

Typical usage ratio

• 60% – 90% of the expanded foam recipe; ratio adjusted for hardness, flexibility, and final shoe type

Downstream process integration

• Direct compounding with blowing agents and crosslinkers, followed by foam injection molding and vulcanization to form midsoles, insoles, and related shoe parts.

Final product types

• Shoe midsoles and outsoles for athletic and leisure footwear
• Children’s playground or leisure sandals
• Shock-absorbing insoles

4. Cable Sheathing and Insulation Compounds

Wire and cable compounders incorporate the VA910 grade to achieve stable mechanical and electrical properties called for by modern signal, power, and communication cables. Processor demands include high extrusion rates, compatibility with flame retardants, and low shrinkage after extrusion. Use centers on low-voltage insulation and protective outer sheaths, where precise process control and quality validation support regulatory approvals.

Industry compliance standards

• IEC 60502 and IEC 60228 for power cable materials
• UL 83 and UL 1581 for thermoplastic insulated wires
• RoHS (Restriction of Hazardous Substances) for electronics

Typical usage ratio

• 30% – 80% depending on specific cable compound type, flexibility requirement, and addition of fillers or fire retardants

Downstream process integration

• Pellets dry-blended with stabilizers and fire retardants, then compounded in a twin-screw extruder before being extruded directly over copper wires or bundled cable cores

Final product types

• Low-voltage electrical wire insulation
• Flexible appliance cords
• Data and signal cable sheathing

5. Film Casting for Agricultural Greenhouse Covers

Manufacturers of greenhouse and agricultural protective film depend on VA910 EVA for its light transmission and improved cold resistance, enabling season extension in temperate climates. The process involves high-speed blown or cast film lines, with our grade providing toughness and flexibility required for weather-exposed installations. Processors tune addition ratios to manage tear strength and light diffusion to crop requirements.

Industry compliance standards

• GB/T 20506 for agricultural greenhouse covering material
• EN 13206 for polyethylene sheeting in agriculture
• REACH/ROHS for environmental safety and sustainability

Typical usage ratio

• 10% – 25%, major component in blend with LDPE to balance mechanical integrity and flexibility under seasonal variation

Downstream process integration

• Blending in gravimetric feeders with other thermoplastics, then melt-extruding via blown film or cast film processes to specified film gauges

Final product types

• Agricultural greenhouse and tunnel films
• Mulch films with improved cold flexibility
• UV-stabilized crop protective covers

6. Flexible Compliant Sheets for Construction Sealants

Sealant formulators in construction utilize the VA910 grade in flexible sheet production, including expansion joint fillers and preformed waterproofing tapes. The grade’s resilience and bonding compatibility support performance in civil infrastructure and commercial building projects, with downstream manufacturers executing precise calendaring, cutting, and surface treatment steps to generate engineered sheets.

Industry compliance standards

• ASTM D1752 for preformed expansion joint fillers
• EN 14151 for elastomeric expansion joint filler types
• ISO 11600 for construction joint sealants

Typical usage ratio

• 50% – 95% depending on project specification and sheet structure thickness

Downstream process integration

• Raw EVA blended with plasticizer and functional additives, processed on calender roll lines, and post-treated by surface corona or flame for enhanced adhesive compatibility

Final product types

• Flexible expansion joint fills
• Waterproofing tape sheets
• Civil construction barrier membranes