Applications of Mitsui Chemicals Evaflex V56113 EVA in Industrial Manufacturing

Mitsui Chemicals Evaflex V56113 is a specialty grade ethylene-vinyl acetate copolymer, engineered for advanced industrial use. Our manufacturing controls and consistent supply support process optimization, formulation accuracy, and regulatory compliance across critical downstream sectors. The following application scenarios reflect genuine industrial deployment and best-practice integration in global manufacturing.

1. Encapsulant Films for Photovoltaic Solar Modules

Manufacturers in the solar energy sector utilize this EVA resin in encapsulation films required in photovoltaic (PV) module construction. The polymer’s melt flow properties and vinyl acetate content give the films high light transmittance, UV stability, and strong adhesion to glass and backsheet layers. Its thermal processing stability enables fast lamination at controlled temperatures, critical for module reliability over 25+ years. QC protocols emphasize gel content, shrinkage rate, and crosslink density according to global PV market demands.

Industry compliance standards

• IEC 61215 and IEC 61730 (PV module durability and safety)
• UL 1703 / IEC 62804 (PID resistance and electrical integrity)
• REACH Regulation (EC) No. 1907/2006
• RoHS Directive (2011/65/EU)

Typical usage ratio

• Encapsulant layer: 0.45–0.60 mm thickness, generally 400–600 g/m² per module depending on module type and lamination equipment speed
• Adjust ratio and thickness according to module efficiency and cell size

Downstream process integration

• Hot-melt extrusion to produce EVA sheets
• Crosslinking during lamination process
• Bonding with solar glass, solar cells, and backsheet films in module assembly lines

Final product types

• Mono- and polycrystalline PV modules
• Thin film solar panels
• Bifacial and building-integrated photovoltaic (BIPV) modules

2. Hot Melt Adhesives for Packaging and Bookbinding

Industrial adhesive formulators select this EVA for producing hot melt adhesives that demand a balance of strength, flexibility, and controlled viscosity. The material fuses rapidly upon heating and delivers robust tack, allowing automated high-speed packaging line application and consistent bonding of paper, cardboard, and select plastic films. Bookbinding operations use the material for spine adhesives, leveraging its thermal plasticity while maintaining lay-flat properties in finished books.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives for indirect food contact packaging)
• EN 923 (Adhesives terminology and definitions)
• ISO 9001:2015 (Production quality management)

Typical usage ratio

• Base polymer content: 35–55 wt% of total adhesive formulation
• Formulators adjust ratio according to viscosity, set time, and substrate compatibility

Downstream process integration

• Compounding with tackifiers, waxes, antioxidants in heated mixers
• Pelletizing or block-molding for shipment to adhesive converters
• Final melting and dispensing in packaging and binding lines

Final product types

• Case and carton sealing adhesives
• Book spine glues
• Label, tape, and envelope adhesives

3. Flexible Footwear Midsoles and Outsoles

The footwear industry specifies this EVA resin for compounding lightweight, shock-absorbing midsoles and outsoles in athletic and leisure shoes. Processing teams value the fine cell structure generated during mold foaming, coupled with the polymer’s resilience and durability after repeated flex cycles. Color masterbatches and functional additives blend uniformly, facilitating specific hardness and cushioning profiles as defined by global shoe brands and regulatory testing.

Industry compliance standards

• EN ISO 20344 and EN ISO 20347 (Occupational and general footwear testing)
• California Proposition 65 (Chemical content restrictions)
• REACH Annex XVII (Restricted substances in footwear materials)
• OEKO-TEX® Standard 100 (Textile and leather safety)

Typical usage ratio

• Base polymer: 60–75 wt% of foam compound
• Adjust levels for density, expansion rate, and cushioning response based on target shoe model

Downstream process integration

• Batch mixing with blowing agents, fillers, pigments
• Injection or compression molding, followed by in-mold foaming
• Trim and assembly into shoe uppers and soles

Final product types

• Sports and running shoes midsoles
• Casual and sandal outsoles
• Safety footwear cushioning layers

4. Wire and Cable Primary Insulation Compounds

Wire and cable industry manufacturers incorporate this EVA resin into halogen-free, flame-retardant insulation compounds. Its compatibility with ATH (aluminum trihydrate) fillers promotes high dielectric strength and reliable extrusion under variable line speeds. Consistent melt strength ensures tight cable geometry for both power and communication cables, while the formulation exhibits low smoke and absence of corrosive gas emissions upon combustion—key for high-rise and public infrastructure cabling.

Industry compliance standards

• IEC 60502-1 and IEC 60332-1 (Low voltage cables and flame propagation)
• UL 1581 (Wire insulation test methods)
• ISO 6722 (Road vehicle wire performance)
• RoHS Directive (2011/65/EU)

Typical usage ratio

• Base polymer: 18–30 wt% in cable insulation compound
• Typical ATH filler loading: 60–75 wt%, adjusted for fire safety class and mechanical strength

Downstream process integration

• High-shear compounding with flame retardants and lubricants
• Pelletization for storage and handling
• Continuous extrusion coating over copper or aluminum wire cores

Final product types

• Building wire and data cable insulation
• Low-smoke zero-halogen (LSZH) power cables
• Railway and flame-retardant communication cable sheathing

5. Film Casting for Agricultural Greenhouse and Tunnel Films

Agricultural film producers employ this EVA formulation in multi-layer greenhouse covers and tunnel films. Its high transparency and frost resistance optimize light transmission and crop protection throughout seasonal temperature swings. This grade enables coextrusion with LDPE or LLDPE, producing films with specific tear and impact resistance. Film thickness, tackiness, and additive dispersion are managed to support anti-fog and UV resistance functions, as validated under European and Asia-Pacific regulatory standards.

Industry compliance standards

• EN 13206:2023 (Plastic films for agricultural use)
• ISO 4892-2 (UV exposure testing)
• REACH Compliance
• Global GAP (Good Agricultural Practices – material handling)

Typical usage ratio

• 15–35 wt% in composite coextruded agricultural films
• Adjustment based on desired tear strength, adhesion, and transparency

Downstream process integration

• Feedstock blending with LDPE/LLDPE and agricultural additives
• Multi-layer blown or cast film extrusion up to 200 μm thickness
• Slitting, perforation, and roll winding operations

Final product types

• Greenhouse covering films
• Low tunnel and mulching films
• Silage and crop protection sheets

6. Modification Agent in Thermoplastic Masterbatch Production

Masterbatch manufacturers rely on this grade as a carrier and modifier in color and additive masterbatches. Its compatibility with polyolefins, controlled melt index, and capacity for pigment and additive dispersion support high loading levels with low migration. Producers emphasize formulation accuracy for consistent color development and stability, necessary for automotive, consumer goods, and packaging end-markets that audit for masterbatch performance and SDS documentation.

Industry compliance standards

• EN 12877-1:2014 (Pigment testing on thermoplastics)
• ISO 9001:2015 (Production and traceability)
• REACH Regulation (SVHC status)

Typical usage ratio

• Carrier phase: 30–65 wt% in masterbatch
• Adjusted according to pigment type, loading rate, and targeted let-down ratio in end-use extrusion/injection lines

Downstream process integration

• High-shear mixing and compounding with colorants and functional agents
• Pelletizing and sieving for downstream plastic processors
• Testing for color strength, melt flow, and dispersion uniformity

Final product types

• Color masterbatches for film and injection molded goods
• UV, slip, and antistatic additive masterbatches
• Automotive and packaging compound concentrates