Applications of Hanwha TotalEnergies E183L EVA in Industrial Manufacturing

Hanwha TotalEnergies E183L EVA is a high-quality ethylene vinyl acetate copolymer extensively adopted across multiple advanced manufacturing segments. Its balance of vinyl acetate content, melt flow rate, and physical properties meets the demanding requirements of polymer processing for various specialized industries. Below, we outline validated downstream applications and operational details for E183L EVA integration.

1. Photovoltaic Encapsulant Films for Solar Module Manufacturing

Photovoltaic (PV) module encapsulation relies on E183L EVA to achieve critical bonding and electrical insulation within solar laminates. Our EVA resin enables high transmission clarity and robust adhesion between cells and glass during vacuum lamination. The resin’s melt characteristics ensure uniform gelation and precise bubble-free encapsulation, directly meeting the yield and durability expectations of utility-scale solar production lines.

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)
• RoHS Directive 2011/65/EU
• ISO 9001:2015 (Quality Management Systems for module manufacturers)

Typical usage ratio

• Resin loading of 80–100% in encapsulant film extrusion; thickness typically 0.4–0.5 mm per layer, adjusted based on cell type and lamination requirements

Downstream process integration

• Compounding and extrusion into sheet, followed by precision slitting and calendaring; subsequent lamination under vacuum between cell string and glass during module assembly

Final product types

• Photovoltaic encapsulant sheet
• Solar panel cross-linked encapsulant film
• Perc, bifacial, and heterojunction cell modules

2. Hot Melt Adhesives for Packaging and Bookbinding

Hot melt adhesive formulators specify E183L EVA as the foundational polymer backbone. The material’s defined melt index and controlled vinyl acetate percentage allow tailored balance between flexibility, speed of set, and bond strength, especially essential in high-throughput carton closing and automated bookbinding lines. Powerful tack and reliable adhesion to coated board, paper, and various films support demanding cycles and substrate diversity.

Industry compliance standards

• FDA 21 CFR 175.105 (Adhesives for indirect food contact packaging)
• EN 923 (Adhesives – Terms and definitions)
• GMP Regulation (EU) No 2023/2006 (Good Manufacturing Practice on packaging)
• ISO 14001:2015 (Environmental Management for adhesive operations)

Typical usage ratio

• Used as 25–55% of total formulation weight; varying with required open time, heat resistance, and performance modifiers

Downstream process integration

• Continuous blending with tackifiers, waxes, and stabilizers, followed by pelletizing or direct pumping to high-speed roll coaters and slot die applicators on packaging lines

Final product types

• Carton and case sealing adhesives
• Perfect binding glues for books and magazines
• Labeling adhesives for PET, glass, and polyolefin containers

3. Wire and Cable Sheathing Compounds

Cable manufacturers employ E183L EVA as a primary component in insulation and jacketing for low and medium voltage wires. The resin’s electrical insulation and flexibility unlock extended product life and designed elongation profiles. Processing adapts to precise co-extrusion and cross-linking regimens, obeying regulatory safety and signal integrity specifications enforced for telecommunications and utility cabling.

Industry compliance standards

• UL 1581 (Reference Standard for Electrical Wires, Cables, and Flexible Cords)
• IEC 60502-1 (Power cables with extruded insulation and their accessories)
• RoHS Directive 2011/65/EU
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• Added at 45–70% of compound mass with the balance being flame retardants and process aids; adjusted for gauge and target dielectric strength

Downstream process integration

• Mixing with cross-linking agents and masterbatches, then extrusion over conductors using smooth bore or pin barrel extruders with temperature profile control

Final product types

• Low-voltage wire insulation
• Communication cable jacketing
• Halogen-free flame retardant wire sheaths

4. Footwear Midsoles and Insoles Foam

Shoe manufacturers depend on E183L EVA to produce lightweight, resilient foam rubber for midsoles and sports insole applications. The resin provides reliable expansion and cell stability when batch-processed with blowing agents, cross-linkers, and fillers. Quality and compliance demand consistent shore hardness and wear resistance, validated throughout mass-volume footwear assembly for sports, work, and lifestyle products.

Industry compliance standards

• ISO 20871:2018 (Footwear – Test methods for outsoles)
• GB 28011-2011 (Safety technical specification for children’s footwear, China)
• REACH Regulation (EC) No 1907/2006
• CPSIA (U.S. Consumer Product Safety Improvement Act, for children's footwear)

Typical usage ratio

• Used at 55–75% by weight in foam formulations, optimizing for desired hardness and rebound properties; proportion set by target density and in-shoe performance feedback

Downstream process integration

• Compounding in open mixers or internal mixers, followed by sheet extrusion, compression molding, and steam expansion

Final product types

• Lightweight midsoles for running and training shoes
• Comfort insoles for occupational and orthopedic footwear
• Beach sandals and slippers

5. Film Extrusion for Flexible Packaging

Film converters use E183L EVA to manufacture flexible co-extruded packaging films, favored for impact strength, low-temperature sealability, and puncture resistance. Operators select grade E183L for precise control of draw-down and layer adhesion in high-speed blown film and cast processes, critical in food-contact environments and hygiene packaging lines maintaining traceable GMP compliance.

Industry compliance standards

• EU 10/2011 (Plastic materials intended to come into contact with food)
• FDA 21 CFR 177.1350 (Ethylene-vinyl acetate copolymers for food contact)
• ISO 22000:2018 (Food Safety Management Systems, for film processors)
• EN 15593 (Packaging – Management of hygiene in the production)

Typical usage ratio

• 5–25% of layer composition in co-ex film; proportion varies with sealing layer thickness, flexibility performance, and required transparency

Downstream process integration

• Metered addition to feed silo, followed by melt blending and blown film or cast film extrusion; may be used as core or sealing layer

Final product types

• Food-contact lidding film
• Frozen food pouches
• Hygiene article overwrap films