Applications of LG Chem SEETEC ES28005 EVA in Industrial Manufacturing

LG Chem SEETEC ES28005 EVA is a copolymer offering balanced flexibility and toughness, widely used by processors in film, cable, foam, and adhesive production. As a raw material producer, we support downstream converters with reliable grade consistency, regulatory documentation, and technical guidance tailored to advanced manufacturing. Below are key industrial applications including relevant standards, recommended ratios, processing details, and finished products.

1. Photovoltaic Encapsulant Films

PV module manufacturers deploy this EVA type for encapsulation layers, providing adhesion, durability, and transparency. Material enters the lamination step, where it supports cell encapsulation to protect solar cells from environmental exposure during long-term outdoor use. Manufacturers carefully monitor curing profiles to meet accelerated aging and yellowing resistance required in high-output solar panels.

Industry compliance standards

• IEC 61215 for crystalline modules
• UL 1703 photovoltaic safety compliance
• RoHS EU Directive 2015/863
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• Films typically contain 100% EVA as the principal encapsulation layer, with the addition of 1–3% curing agents and UV absorbers. Blending with other polymers is rare, unless adjusting gel content or cross-linking speed.

Downstream process integration

• Extrusion of EVA resins to form films (0.25–0.50 mm thickness)
• Thermal lamination at 140–155°C, 7–12 minutes vacuum profile
• Cross-linking initiators and stabilizers incorporated pre-extrusion
• Module assembly after lamination and edge sealing

Final product types

• Solar photovoltaic modules (crystalline and thin film)
• Bifacial and double-glass solar panels

2. Wire & Cable Insulation Compounds

Cable manufacturers value the ethylene-vinyl acetate matrix for primary insulation and jacketing in medium- and low-voltage wiring. EVA acts as the polymer base for formulations with flame retardants, plasticizers, and stabilizers to achieve target dielectric and safety properties. Compounds tailored with this grade maintain electrical isolation and mechanical integrity under stress, resisting crack propagation over electrical lifetimes.

Industry compliance standards

• UL 44 for thermoset-insulated wires
• IEC 60502-1 for power cable construction
• ASTM D2845 for insulation adhesion
• EN 50363-1 EVA-based insulation standards

Typical usage ratio

• Base polymer content: 55–70% by weight, depending on required flexibility and flame resistance. Typical formulation includes up to 25% flame retardants and 5–15% fillers and stabilizers.

Downstream process integration

• Melt compounding via twin-screw extrusion with mineral and halogen-free flame retardants
• Direct application by extrusion coater on conductor cores
• Continuous vulcanization for cross-linked cable types
• Final cable assembly with sheathing and jacketing processes

Final product types

• Building wire (THHN, XHHW)
• Automotive low-voltage power cables
• Flexible appliance cords

3. Hot Melt Adhesives for Packaging

Hot melt adhesive producers utilize this EVA copolymer as a backbone resin for fast-setting, high-tack adhesives used in case, carton, and label applications. Industrial converters select the grade for compatibility with tackifiers and waxes, achieving controlled open time and strong substrate adhesion. Formulation optimizes flow, viscosity, and bond strength for automated packaging equipment demands.

Industry compliance standards

• FDA 21 CFR 175.105 for indirect food contact (US packaging)
• ISO 22000 food safety management in adhesive manufacturing plants
• EU Regulation No 10/2011 for food packaging adhesives
• BRC Global Standard for Packaging Materials

Typical usage ratio

• EVA resin content: 28–40% by weight. Ratio adjusted to balance flexibility and softening point. Tackifier inclusion at 35–50%, waxes 10–20% depending on set speed and cost control.

Downstream process integration

• Melt blending in jacketed batch reactor or continuous mixer
• Hot melt granule or block production followed by remelting at customer site
• Application at 120–160°C using automated glue dispensing lines
• Packaging closure or labeling with immediate bond formation

Final product types

• Case and carton closure adhesives
• Self-adhesive labels
• Bookbinding glues
• General purpose packaging bonds

4. Footwear Injection Foamed Components

Shoe component producers incorporate this grade into injection or compression-molded midsoles and insoles, taking advantage of its lightweight and cushioning properties. EVA is foamed with physical or chemical blowing agents after dough mixing for controlled cell structure. Footwear brands select the polymer system for shock absorption and mechanical memory in final wear trials.

Industry compliance standards

• ISO 9001-certified quality management for footwear OEMs
• GB/T 15107-2013 for EVA foam footwear components (China)
• REACH (EC 1907/2006) SVHC screening for finished goods
• California Proposition 65 for consumer product safety

Typical usage ratio

• EVA resin: 65–80% of compound. Ratio varies based on desired density (0.18–0.35 g/cm³) and hardness. Fillers, foaming agents, and colorants adjust mechanicals and appearance.

Downstream process integration

• Dry blending and pelletizing with cross-linker and blowing agent
• Low-pressure injection or compression molding
• Oven curing to achieve complete cross-linking and expansion
• Die trimming, surface patterning, and color finishing

Final product types

• Sneaker midsoles and insoles
• Sandals and slippers
• Sports shoe outsole inserts

5. Greenhouse & Agricultural Films

Film processing plants blend EVA with polyolefins to manufacture agricultural films providing excellent light diffusion, tear resistance, and resilience to cold cracking. The material improves mechanical strength and thermal insulation, essential for greenhouse productivity and crop protection. Typical lines produce multi-layer films via blown film extrusion, targeting precise thicknesses and high clarity grades.

Industry compliance standards

• ISO 18604 for plastic film recyclability
• EN 13206 for thermoplastic covering films for agriculture
• REACH Regulation (EC) No 1907/2006 for SVHC
• China GB/T 20135-2006 for greenhouse film technical requirements

Typical usage ratio

• EVA content: typically 6–18% in polyolefin blends, adjusted to achieve specified light transmission and anti-fog behavior. Ratio increases in cold climate films.

Downstream process integration

• Gravimetric blending of EVA and LLDPE/LDPE
• Blown film extrusion using multi-layer dies (three to five layers)
• Corona or flame treatment for surface modification
• Main roll and slitting for agro-distribution channels

Final product types

• Greenhouse coverings
• Mulching sheets
• Silage and tunnel films

6. Toys & Safe Play Mats

Toy makers and foam sheet converters process this grade for non-toxic, flexible EVA foam components, meeting strict child safety and chemical migration standards. In closed-cell foam mats and toy parts, the resin delivers soft touch and resilience needed for playground and educational uses. Detailed attention to migration limits and mechanical durability is crucial in this segment.

Industry compliance standards

• EN 71 Part 3 (EU Toy Safety Directive for chemical migration)
• ASTM F963 (US toy safety standard)
• CPSIA limits on phthalate and heavy metals content
• ISO 8124 child product physical and mechanical safety

Typical usage ratio

• EVA base polymer: 55–85% of batch. High EVA content ensures cushion and flexibility. Loading depends on targeted foam thickness and required hardness.

Downstream process integration

• Foam compounding with azodicarbonamide or alternative blowing agents
• Sheet extrusion or block foaming with press-cure cycles
• Die-cutting, printing, and assembly of individual play items
• QA testing for physical and migration properties

Final product types

• Edu-mats and puzzle play mats
• Foamed toy bricks and blocks
• Non-toxic teething and bath toys

7. Film Coating & Lamination for Stationery

Stationery film applications blend and extrude this grade to form transparent films for lamination and document protection, targeting good bond strength and clarity. These films are widely supplied to print finishing and office supply industries as pouches and rolls for hot laminating equipment. Producers formulate for anti-blocking and enhanced heat-sealing characteristics to suit high-speed lamination processes.

Industry compliance standards

• ISO 14001 environmental management in film production
• EN 12311-2 plastic film mechanical integrity tests
• REACH SVHC compliance for office supplies in the EU
• BS EN ISO 527 for tensile and tear resistance

Typical usage ratio

• EVA: 65–90% in lamination film formulation. Blends with polyesters or LDPE may be used to tune sealing and rigidity per customer equipment requirements.

Downstream process integration

• Cast film extrusion in mono or co-extruded layers
• Thickness calibration and cooling using chill rolls
• Surface corona treatment for ink adhesion or anti-blocking
• Slitting and rewinding into customer-ready rolls or sheet packs

Final product types

• Laminating pouches
• Protective book covers
• A4-A3 size document laminate rolls