Applications of Hyundai VA800 EVA in Industrial Manufacturing

Hyundai VA800 EVA is a specialty grade ethylene vinyl acetate copolymer recognized for its consistent quality, stable polymer structure, and reliable performance in multiple downstream industries. As the original manufacturer, we supply this resin for integration into mature, regulated supply chains. Below we outline its proven applications, directly referencing accepted industrial benchmarks and processing conditions.

1. Hot Melt Adhesives for Packaging and Bookbinding

Leading adhesive formulators use our VA800 EVA in hot melt systems designed for carton sealing, case closure, and book spine binding. Its specific vinyl acetate content supports good tack, balanced melt viscosity, and long open time. Manufacturers must align ingredient selection, loading, and equipment temperature controls with functional goals like adhesion strength and machinability while respecting customer approval protocols and certifications demanded by international packaging handlers and publishers.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives - indirect food contact)
• EU Regulation (EC) No 1935/2004
• ISO 9001:2015 (Quality Management Systems for consistent adhesive performance)
• REACH SVHC screening for chemical safety

Typical usage ratio

• Ranges from 25% to 40% in finished hot melt formulations, determined by desired set speed, viscosity, flexibility and substrate wetting; adjusted for filler and plasticizer levels

Downstream process integration

• Added into jacketed mixer with other base polymers, resins, and waxes; compound pre-blended before extrusion and pelletizing or direct tank melt compounding for in-line supply to hot melt coating machines

Final product types

• Case and carton sealing adhesives (granules, pillows, sticks)
• Perfect binding adhesives for books and magazines
• Transparent packaging hot melts for food and beverage containers

2. PV Encapsulant Films for Solar Modules

Film manufacturers select our EVA for solar encapsulation due to its controlled gel content, reliable crosslinking index, and minimal volatile emission. In module production, precise compound quality directly affects the light transmission, durability, and electrical isolation properties in fielded photovoltaic arrays. Material selection supports compliance with multi-year performance guarantees and standards set by major energy project developers.

Industry compliance standards

• IEC 61215 (Crystalline Silicon Terrestrial Photovoltaic Modules – Design Qualification)
• IEC 61730 (Photovoltaic Module Safety Qualification)
• UL 1703 (Standard for Flat-Plate Photovoltaic Modules and Panels)
• RoHS Directive 2011/65/EU

Typical usage ratio

• Comprises 85%–95% of masterbatch for single- and double-glass laminating sheet, subject to minor adjustment for UV stabilizer, peroxide, and handling aid content to meet module aging and delamination resistance

Downstream process integration

• Directly compounded in twin-screw extruder with additives; resulting pellet converted to films by cast or calendered extrusion, slit to module size, and thermally laminated to glass and cells in vacuum lamination lines

Final product types

• Photovoltaic encapsulant sheets for crystalline silicon PV modules
• Bifacial module encapsulation films
• Flexible photovoltaic backsheet adhesives

3. Foam Injection and Sheet for Footwear and Sports Goods

Shoe sole and sports mat manufacturers value VA800 EVA’s consistent cell structure formation, shock absorption, and easy pigmentability. Production uses specific formulation recipes to control density and rebound, meeting rigorous mechanical durability and surface finish expectations required by global retail brands and athletic goods importers. Ingredient traceability and migration testing are standard practice for downstream customer validation.

Industry compliance standards

• EN ISO 20344:2021 (Personal Protective Equipment - Footwear mechanical properties)
• GB/T 15107 (Foamed plastics testing in shoe manufacture - China)
• REACH Annex XVII (Phthalates restrictions in flexible plastics)
• PROP 65 (California Listed Chemicals Disclosure)

Typical usage ratio

• 45%–75% of base compounding mix for closed-cell injection and sheet foams; ratio varies by hardness, flex fatigue requirement, and target foam density (typically 0.15–0.25 g/cm³ for soles)

Downstream process integration

• Pre-mixed with crosslinking and blowing agents, antioxidant, color masterbatch; batch loaded into kneader or Banbury mixer, followed by sheet-extrusion or mold injection with controlled oven expansion

Final product types

• Injection-molded sports shoe midsoles and outsoles
• EVA yoga mats and floor tiles
• Protective foam pads for athletic and outdoor equipment

4. Wire & Cable Insulation Compounds

Cable compounders select our material for thermoplastic and crosslinked insulation applications requiring long-term stability and uniform electrical performance. It forms a critical component of formulations in power, telecommunication, and automotive wiring, where strict flame retardance, dielectric strength, and process consistency must be demonstrated via end-use testing across entire production batches.

Industry compliance standards

• UL 62 / UL 758 (Flexible cord and appliance wiring insulation)
• IEC 60502-1 (Power cables with extruded insulation)
• RoHS 2011/65/EU (Restriction of Hazardous Substances in electrical equipment)
• EN 50363-1 (Insulating compounds for power cables – EVA-based grades)

Typical usage ratio

• About 20%–35% of base insulation compound along with flame retardant fillers, plasticizers, and stabilizers; formulation tailored to flame resistance, flexibility, and extrusion speed requirements

Downstream process integration

• Compounded with additives in twin-screw extruder, pelletized, and reheated for application via continuous wire extrusion, with optional electron-beam crosslinking for high-spec cables

Final product types

• Low-voltage and control cable insulation jackets
• Flexible appliance wires for household and office equipment
• Automotive harness insulation

5. Compounding for Flexible Film and Sheet Products

Film extruders and laminators use this resin grade for producing flexible packaging, agricultural films, and bubble wrap, relying on predictable melt flow and film forming properties compatible with high-throughput cast and blown film lines. Each installation regulates process temperature and draw-down to optimize tear strength, sealing, optical properties, and meet destination-market migration, hygiene, and food contact compliance.

Industry compliance standards

• EU Regulation (EC) No 10/2011 (Plastic materials intended for food contact)
• FDA 21 CFR 177.1350 (Ethylene-vinyl acetate copolymers for food packaging)
• ISO 22000:2018 (Food safety management systems in packaging supply chain)
• GB 9685-2016 (China National Food Contact Additive Regulation)

Typical usage ratio

• Comprises 8%–25% of the final formulation depending on film layer structure, clarity, and required flexibility; adjusted for barrier properties or puncture resistance when co-extruded with other polyolefins

Downstream process integration

• Dry-blended and co-fed with other resins into single- or multi-layer blown film extruders; additional process steps include in-line corona treatment and lamination with substrates like PET or PE

Final product types

• Food packaging films (bag, pouch, lidding)
• Greenhouse and mulching films for agriculture
• Protective wrap and air bubble roll substrates