Applications of BASF-YPC V4110J EVA in Industrial Manufacturing

BASF-YPC V4110J EVA is widely adopted across several industrial sectors where reliable processing, mechanical flexibility, and strong bonding properties are required. As the actual manufacturer, we support downstream clients with consistent quality and application-specific guidance, ensuring effective implementation in end-use industries that rely on this high-performance ethylene-vinyl acetate copolymer.

1. Photovoltaic Module Encapsulation

Downstream solar module manufacturers depend on our material for producing encapsulant films, which serve as a critical layer protecting solar cells from moisture and mechanical stress. The specific melt index and vinyl acetate content support optimal lamination clarity and mechanical stability during high-speed EVA sheet extrusion and subsequent vacuum lamination onto cell arrays.

Industry compliance standards

• IEC 61215 (crystalline PV module qualification)
• UL 1703 (flat-plate photovoltaic modules and panels)
• RoHS Directive 2011/65/EU for hazardous substances
• REACH (Regulation EC No 1907/2006)

Typical usage ratio

• Film formulations typically utilize 95-100% EVA as the primary polymeric matrix.
• Additive loading, such as UV absorbers and crosslinking agents, is adjusted from 0.5-5% based on module lifetime targets and UV resistance requirements.

Downstream process integration

• Our EVA raw material feeds directly into film extrusion units, where it is compounded with stabilizers, processed into sheets (thickness 0.3–0.6 mm), and used during vacuum lamination onto photovoltaic cells with glass covers.

Final product types

• PVC-free PV encapsulant films
• Mono- and poly-crystalline silicon solar modules
• Thin-film solar panels
• Transparent backsheet adhesives

2. Hot Melt Adhesive Formulation

Leading adhesive producers select this grade EVA for blending hot melt systems used throughout packaging, woodworking, and bookbinding sectors. The material’s vinyl acetate content delivers the desired elasticity and open time, while its high clarity and thermal stability enhance adhesion and visual quality in automated gluing lines.

Industry compliance standards

• 21 CFR 175.105 (FDA indirect food additives—adhesives)
• REACH compliance for non-toxic formulation
• GB 9685 (Hygienic standards for food contact additives in China)
• ISO 9001 quality management in adhesives production

Typical usage ratio

• EVA content ranges from 30% to 50% by weight in the overall hot melt formulation.
• Users adjust EVA level depending on tackifier, wax, and plasticizer selection based on applications requiring increased open time or specific flow rates.

Downstream process integration

• The raw EVA resin is compounded with tackifying resins, waxes, antioxidants, and stabilizers during mixer or extruder processing before pelletizing or block casting for subsequent end-user application in hot melt systems.

Final product types

• Carton sealing adhesives
• Spine glue for bookbinding
• Edgebanding adhesives for furniture
• Nonwoven hygiene product bonding adhesives

3. Wire and Cable Insulation Compounds

Electrical cable manufacturers integrate V4110J EVA within insulation and sheathing formulations for low- and medium-voltage cables. Its physical properties support required dielectric strength and moisture barrier performance. EVA’s flexibility aids extrusion coating at commercial line speeds, while maintaining long-term insulation integrity under demanding service conditions.

Industry compliance standards

• IEC 60502-1 (Power cables with extruded insulation)
• UL 1581 (Reference standard for electrical wires and cables)
• RoHS and REACH for low halogen and heavy metal content
• EN 50363-7 (Polymeric insulation materials—EVA compounds)

Typical usage ratio

• Typical EVA concentration ranges from 60% to 90% by weight in cable insulation compounds, adjusted with fire retardants (up to 40%), antioxidants, and process enhancers depending on flammability and mechanical criteria.

Downstream process integration

• EVA resin and additives are melt-compounded in twin-screw extruders and pelletized, with downstream cable producers extruding the compound over copper/aluminum conductors using crosshead extrusion machines.

Final product types

• Low-voltage building wires
• Automotive cable insulation
• Flexible appliance leads
• Medium-voltage power cable sheathing

4. Footwear Injection Molding

Footwear manufacturers select our EVA material for direct injection molding of midsoles, outsoles, and entire shoe platforms. The compound’s elasticity, softness, and rubber-like resilience allow for production of lightweight, shock-absorbing components. Molding cycle stability ensures cost-effective production for high-volume athletic and casual shoe lines.

Industry compliance standards

• EN ISO 20344 (Personal protective equipment—Test methods for footwear)
• GB/T 15107 (Plastic floor covering performance standards)
• California Proposition 65 compliant (for restricted substances)
• REACH authorization for regulated chemicals

Typical usage ratio

• EVA as the base polymer typically composes 75% to 95% of the foam or injection compound, with foaming agents, pigments, crosslinkers, and fillers composing the balance for density and color requirements.

Downstream process integration

• Processors blend EVA pellets with selected additives in high-shear mixers, then feed into injection molding machines or compression molding systems for direct formation of soles, midsoles, or whole-shoe structures.

Final product types

• Sports shoe midsoles
• Sandal footbeds
• Slipper outsoles
• Lightweight fashion sneaker soles

5. Flexible Film and Sheet Extrusion

Major packaging and foam producers incorporate this grade of EVA in multilayer extrusion lines for flexible films and closed-cell foam sheets. The material offers strong adhesion to polar and non-polar layers, high clarity for packaging films, and controlled expansion for foam rolls suited to protective or cushioning applications.

Industry compliance standards

• FDA 21 CFR 177.1350 (EVA copolymers for food packaging)
• EU Commission Regulation 10/2011 (Plastic materials in contact with food)
• ISO 22000 (Food safety management for packaging lines)
• GB 4806.7 (Chinese national standard for food contact plastics)

Typical usage ratio

• EVA loading levels typically range from 10% to 40% of film formulations, depending on required flexibility, transparency, and barrier improvements above standard LDPE or LLDPE systems.
• Foam sheet compounds can use up to 80% EVA, with added crosslinking and blowing agents dictating final density.

Downstream process integration

• Flexible films: EVA resin is co-extruded with PE, PA, or PET in multilayer blown or cast film lines.
• Foam sheets: Compounds are extruded with blowing agents and expanded in ovens or by chemical reaction, before sheet trimming and stacking.

Final product types

• Food-grade cling film
• Protective foam packaging sheets
• Medical supply wraps
• Bags for deep freeze or vacuum packaging

6. Sealant and Caulking Compound Production

Sealant producers adopt this EVA grade as the key polymer in solventless, low-VOC caulking systems, formulated for construction expansion joints and glass sealing. The copolymer’s adhesion and flexibility improve tooling, shrinkage, and durability in finished sealant beads applied manually or with automated dispensing systems.

Industry compliance standards

• ISO 11600 (Building construction—Sealants)
• ASTM C920 (Elastomeric joint sealants)
• REACH conformity for indoor air quality and VOC content limits
• EN 15651 (Sealants for non-structural use in joints in buildings and pedestrian walkways)

Typical usage ratio

• EVA comprises 20% to 35% of total sealant weight, alongside mineral fillers, plasticizers, and proprietary flow/curing agents for adjustment of consistency, working time, and flexibility index to application needs.

Downstream process integration

• Producers melt-blend EVA with compatible additives in batch or continuous mixers and fill into cartridges, sausage packaging, or bulk tanks for construction or glazing sector end-users.

Final product types

• Curtain wall and window frame sealants
• Concrete expansion joint caulks
• Glass installation mastics
• General-purpose building caulks