Applications of BASF-YPC V4110F EVA in Industrial Manufacturing

As the actual manufacturer, we supply BASF-YPC V4110F EVA for integral industries requiring enhanced material performance and production efficiency. We focus on established downstream applications where our EVA copolymer's properties fully match technical demand, regulatory compliance, and process practicality.

1. Photovoltaic Encapsulant Film Production

In solar cell module manufacturing, V4110F EVA functions as a principal encapsulation resin due to its controlled melt index and vinyl acetate content. Production lines use this EVA grade to achieve reliable adhesion and UV resistance critical to panel durability. Requirements include minimized gel content and consistent transparency for satisfactory lamination and module efficiency. The resin advances encapsulant formulation by providing uniform flow and crosslinking response at set extrusion temperatures.

Industry compliance standards

• IEC 61215: Crystalline silicon terrestrial PV modules—Design qualification and type approval
• UL 1703: Standard for Flat-Plate Photovoltaic Modules and Panels
• ISO 9001:2015-certified production process
• RoHS Directive 2011/65/EU (restriction of hazardous substances)

Typical usage ratio

• 65–75% EVA base layer in total encapsulant formulation by weight
• Adjust blend ratio to ensure crosslinking at 1.5–2% peroxide and compatibility with light stabilizers

Downstream process integration

• Add directly to extruder or calendaring equipment during film production
• Melt blending with additives prior to pelletizing
• Co-extrude onto PV glass and cell stack before lamination and thermal crosslinking

Final product types

• PVC-free encapsulant films for crystalline silicon PV modules
• Photovoltaic backsheet composite layers
• Flexible solar panels for building-integrated photovoltaics (BIPV)

2. Hot Melt Adhesive (HMA) Formulation

Manufacturers of industrial hot melt adhesives rely on V4110F EVA for its well-defined melt viscosity and adhesion profile. Typical formulations use this EVA with tackifiers and plasticizers for packaging, bookbinding, and woodworking HMAs. The copolymer supports precise viscosity control over a range of temperatures and contributes to flexible bonding of papers, boards, and various plastics. Key to downstream process efficiency is batch consistency and rapid set during application.

Industry compliance standards

• FDA 21 CFR 175.105 for adhesives used in food packaging
• REACH Regulation (EC) No 1907/2006 for European chemical registration
• ISO 14001:2015 environmental management during production
• ASTM D2559 for structural wood adhesives

Typical usage ratio

• 30–50% EVA in total adhesive formulation, dependent on targeted open time and bond strength
• Alter ratio with higher tackifier loading for faster tack in case packaging

Downstream process integration

• Compound in mixing vessels alongside waxes, resins, and antioxidants
• Feed pellets into extrusion-based or bulk-melt application units
• Apply adhesives via slot die, spray, or bead dispensing on assembly lines

Final product types

• Hot melt glues for packaging automation and case sealing
• Bookbinding and printing adhesives for hardcover book assembly
• Edgebanding adhesives in furniture and wood product manufacturing

3. Cable and Wire Insulation Compounds

Wire and cable manufacturers select this EVA grade for compounded insulation and jacketing materials in low voltage applications. Compounding with flame retardants and plasticizers, customers achieve flexible, halogen-free formulations that meet safety and dielectric standards. The material’s stable melt flow prevents extrusion line instability, while vinyl acetate content imparts enhanced flexibility and resistance to stress cracking. Strict quality control governs compound homogeneity and insulative persistence.

Industry compliance standards

• IEC 60502-1: Power cables with extruded insulation and their accessories
• UL 62: Flexible cords and cables
• RoHS Directive 2011/65/EU for electrical and electronic equipment
• ISO 4892-2 for UV resistance testing of insulation compounds

Typical usage ratio

• 40–65% EVA as base polymer in insulation compound by weight
• Blending range varies with filler addition (ATH/flame retardant at 30–50%) for classified fire resistance grades

Downstream process integration

• Mix EVA, flame retardant, and process aids in a twin-screw extruder
• Direct extrusion onto copper/aluminum conductors using hot feed extrusion lines
• Cool and wind insulated wire ahead of cable assembly and sheathing

Final product types

• Low smoke zero halogen (LSZH) power and control cables
• Flexible wires for data and telecommunications
• Appliance wiring material in electronic devices

4. Footwear Injection Molding Compounds

Producers of footwear midsoles and outsoles use this copolymer to formulate cushioning and resilient compounds suitable for direct injection molding. The balance of flexibility and hardness achieved with this raw material translates into wear-resistant, lightweight shoe components. Producers adjust compounding ingredients—including blowing agents and pigments—according to the footwear segment, such as athletic, safety, or casual shoes. QC protocols verify dimensional stability and impact absorption in every lot.

Industry compliance standards

• EN ISO 20344: Personal protective equipment—Test methods for footwear
• REACH Annex XVII regulations on restricted substances
• ISO 9001:2015 for in-plant quality management
• SGS certified for pigmentation and heavy metal limits

Typical usage ratio

• 60–80% EVA in foamed midsole/outsole compound, with precise dosing of crosslinkers and foaming agents
• Ratio modulated to give required density (0.15–0.35 g/cm³) and hardness (Shore C: 35–55)

Downstream process integration

• Premix with rubber modifiers and calcium carbonate in internal mixers
• Feed compound into single or multi-station injection molding units
• Post-molding curing and trimming for dimensional accuracy and surface finish

Final product types

• Sport shoe midsoles and outsoles (running, tennis, basketball)
• Sandals and slipper bottoms
• Protective footwear components for occupational safety shoes

5. Flexible Film and Packaging Manufacture

Flexible packaging producers blend this grade with LDPE or LLDPE to manufacture films combining tough sealability with puncture resistance. Thin film extrusion and blown film lines benefit from the resin’s stable melting and clarity. Package converters require frequent adjustments based on film thickness, transparency, and elongation needs. V4110F EVA facilitates tight control over shrink properties and print adhesion, especially for frozen food packaging and medical blister pack substrates.

Industry compliance standards

• FDA 21 CFR 177.1350 for food contact uses
• EU Regulation No 10/2011 on plastic materials for food packaging
• ISO 22000 food safety management for packaging materials
• EN 868-5 for packaging materials for medical devices

Typical usage ratio

• 15–40% EVA in PE blend (higher for shrink films, lower for cling and stretch wrap)
• Adjust formulation to suit barrier requirements and sealing profiles

Downstream process integration

• Gravimetric blending with LDPE/LLDPE prior to film extrusion
• Extrude via blown or cast film lines under 130–150°C
• Online corona treatment for print adhesion or surface activation

Final product types

• Shrink films for beverage packs and multipacks
• Frozen food and meat packaging pouches
• Medical device blister packs and protective overwraps