Applications of LG Chem SEETEC ES28002 EVA in Industrial Manufacturing

LG Chem SEETEC ES28002 EVA finds widespread industrial adoption due to its chemical structure, high vinyl acetate content, and performance profile. Our production partners in Asia, the EU, and North America leverage this material for demanding and regulated applications. Here are specific downstream sectors utilizing this grade and the operational parameters required in each use case.

1. Photovoltaic Encapsulation Films

Leading photovoltaic module manufacturers specify this material for encapsulant film production, leveraging its transparency, melting characteristics, and compatibility with high-speed extrusion and lamination. Manufacturers must meet stringent migration and weather resistance specifications demanded by solar field installations and international module warranty requirements. The resin’s copolymer composition supports crosslinking required for reliable lamination and mechanical durability across module lifespans exceeding 20 years.

Industry compliance standards

• IEC 61215: Terrestrial Photovoltaic (PV) Modules Design Qualification and Type Approval
• UL 1703: Flat-Plate Photovoltaic Modules and Panels
• RoHS Directive (EU) 2011/65/EU
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• Resin content in film: 96–99% by weight, with crosslinking agents and additives adjusted 1–4% based on curing speed and film properties.

Downstream process integration

• Direct feeding in twin-screw extrusion, followed by sheet calendaring and online thickness control.
• Lamination with solar cells using vacuum lamination at up to 150°C, enabling full crosslinking.

Final product types

• PV encapsulation films
• Backsheet bonding films for solar modules
• Cut-sheet encapsulant layers for crystalline PV cells

2. Cable and Wire Insulation Compounds

Wire and cable firms incorporate this EVA grade as a primary matrix polymer in low-voltage insulation and jacketing, especially for flexible and portable cords. Its vinyl acetate content ensures good stress crack resistance, elongation, and dielectric strength needed for standard household and industrial power distribution. Integration of this polymer supports compounds that withstand elevated operational temperatures and repetitive flexing without breakdown, ensuring compliance in regulated markets.

Industry compliance standards

• UL 62 / UL 1581: Standard for Flexible Cords and Cables
• IEC 60227: Polyvinyl Chloride Insulated Cables
• RoHS Directive (EU) 2011/65/EU
• CSA C22.2 No. 49: Flexible Cords and Cables

Typical usage ratio

• Polymer load in insulation compound: 60–80% by weight, with remaining weight made up by fillers, flame retardants, antioxidants, and pigments as needed for specification and cost.

Downstream process integration

• Compound blending and pelletizing by BANBURY or similar internal mixers.
• Extrusion over copper or aluminum wires at temperatures of 110–130°C, followed by online cooling and spark testing.

Final product types

• Flexible power cords
• Communication cable jacketing
• Appliance control cable sheathing

3. Footwear Injection and Molding Foams

Footwear compounders and sports equipment OEMs utilize this resin in midsole, outsole, and sports padding formulations, where the balance of resilience, processability, and color acceptance must be managed. The specific melting range and flow profile permit uniform cell structure during injection or compression molding. This supports consistent rebound and abrasion resistance across finished shoes, slippers, and safety soles, all under the compliance of physical performance and footwear safety benchmarks worldwide.

Industry compliance standards

• EN ISO 20345: Personal Protective Equipment—Safety Footwear
• ASTM F2913: Standard Test Method for Measuring Water Vapor Permeability of Footwear
• REACH Annex XVII on polycyclic aromatic hydrocarbons
• GB 21148: General Technical Requirements for Footwear

Typical usage ratio

• Base resin portion: 80–95% in foamed compounds, with foaming agents and crosslinkers at 5–20% depending on desired density, hardness, and flexibility.

Downstream process integration

• Compounding with blowing agents and melt blending in high-shear mixers.
• Injection or compression molded at 120–155°C, with mold-specific demolding and expansion controls.

Final product types

• Sport shoe midsoles
• Antistatic and ESD shoes
• Work boot shock-absorbing inserts
• Children’s EVA foam sandals

4. Hot Melt Adhesives (HMA) for Packaging

Industrial adhesive formulators depend on this EVA resin’s compatibility and adhesive spectrum to produce packaging and box-sealing hot melts with tailored open time, tack, and flexibility. Integration with tackifiers and waxes permits precise viscosity control across high-speed packaging lines. The formulation must comply with food contact protocols where applicable, allowing end users in food, beverage, and personal care sectors to meet migration, residue, and thermal cycle testing from filling to end distribution.

Industry compliance standards

• FDA 21 CFR 175.105: Adhesives (Indirect Food Additives)
• EU Regulation (EC) No 1935/2004: Materials Intended to Come into Contact with Food
• BfR XXI: German guidelines for food contact adhesives
• China GB 9685: Hygienic Standards for Food Contact Materials

Typical usage ratio

• Polymer base in formulation: 30–60% EVA by weight, with ratio adjusted depending on tackifier resin and wax content for set time and temperature resistance.

Downstream process integration

• Compound in double-arm mixers at 130–170°C, continuously metering tackifiers and stabilizers.
• Suspension in heatable packaging tanks and direct feeding into automated dispensing nozzles on box and carton lines.

Final product types

• Case and carton closure adhesives
• Paper and board label glues
• Disposable hygiene application adhesives (e.g., diaper construction)

5. Toy and Stationery Molding

Toy fabricators and stationery component producers use this EVA grade for molded and extruded products that require enhanced softness, flexibility, and color dispersion. The controlled formulation eliminates phthalate and heavy metal migration, critical for children’s and educational goods compliance. Final molded parts exhibit low residual odor and meet repeated-use and cleaning stability benchmarks set by both regulatory bodies and major retailers.

Industry compliance standards

• EN 71-3: EU Safety of Toys—Migration of Certain Elements
• ASTM F963: US Standard Consumer Safety Specification for Toy Safety
• Phthalates restrictions under REACH Annex XVII
• China GB 6675: National Toy Safety Technical Code

Typical usage ratio

• Main base polymer at 85–98%, adjusted with safe colorants, antistatics, and mold-release agents (2–15%), depending on targeted product softness and machinability.

Downstream process integration

• Melt blending with pigments and additives, followed by pelletizing.
• Injection or extrusion into molds at 130–150°C with defined cooling cycles for dimensional stability.

Final product types

• Foam puzzle mats
• Art and craft sheet goods
• Soft grip handles for stationery (scissors, pens, erasers)

6. Sealants for Construction and Glazing

Producers of construction sealants utilize this resin formulation for gap fill, expansion joint, and window glazing applications, where controlled flexibility and adhesion to a range of substrates is central to product performance. The input resin supports compounding with silane crosslinkers, plasticizers, and mineral fillers, meeting long-term weatherability and safety specifications for indoor and external applications in commercial and residential buildings.

Industry compliance standards

• ISO 11600: Classification and Requirements for Sealants
• ASTM C920: Standard Specification for Elastomeric Joint Sealants
• LEED v4 Low-Emitting Sealant Credits (VOC emission limits)
• REACH SVHC compliance

Typical usage ratio

• EVA resin at 30–65%, with proportion depending on flexibility, UV resistance, and hardness requirements for each sealant class.

Downstream process integration

• Preblending in planetary mixers with mineral fillers and rheology modifiers.
• Filling into sausages, cartridges, or bulk drums for application by caulking guns or automated glazing equipment.

Final product types

• Expansion joint sealants
• Window and door glazing adhesives
• Pavement crack fillers