LG Chem EVA EP28025
LG Chem EVA EP28025 is a premium, specialty-grade ethylene-vinyl acetate (EVA) copolymer designed for photovoltaic encapsulation, hot melt adhesive (HMA) base resin, and wire/cable compounding. With 28% vinyl acetate, MFI 25 g/10 min, density 0.950–0.951 g/cm³, elongation 850–950%, and a pure, additive-free formulation, EP28025 delivers crystal-clear optical properties, ultra-low gel/fisheye content, and outstanding adhesion and flexibility.
Manufactured by LG Chem (South Korea) through high-precision polymerization and strict contaminant control, EP28025 is the gold standard for solar module manufacturers, HMA producers, and cable compounders who demand defect-free films, reliable adhesion, and batch-to-batch consistency. Its high VA and controlled melt index ensure maximum light transmission, durable encapsulation, and robust mechanical performance for India’s renewable energy, packaging, and specialty polymer sectors.
Functional Features & Technical Authority
- Ultra-High VA Content (28%): Ensures exceptional optical clarity, low crystallinity, and superior adhesion—critical for solar encapsulation and specialty adhesives.
- Pure Resin, No Additives: No slip agents or antiblock additives; guarantees maximum transparency, zero haze, and no contamination risk in sensitive applications.
- Ultra-Low Gel Level: Strict gel and fisheye control deliver defect-free films for photovoltaic modules, maximizing solar cell efficiency and module lifespan.
- Outstanding Flexibility & Elongation: 850–950% elongation at break accommodates thermal cycling and mechanical stress in solar modules and cables.
- Precise Melt Flow (MFI 25): Optimized for efficient extrusion of encapsulation films and controlled HMA formulation, ensuring uniform adhesive application and film thickness.
- Excellent Adhesion Performance: Reliable bonding to glass, silicon cells, back-sheets, and diverse substrates—preventing delamination in solar and industrial assemblies.
- Consistent Batch Quality: Uniform VA and MI distribution for reliable, high-volume manufacturing with minimal process adjustment.
- Regulatory Compliance: Meets FDA 21 CFR 177.1350, ISO 13022, IEC 61215/61730, ISO 9001, and ISO 14001; certificates available on request.
Applications
Photovoltaic (Solar) Encapsulation Films:
EP28025 sets the benchmark for solar module encapsulation. Its 28% VA, ultra-low gel, and pure resin guarantee haze-free, transparent films that maximize light transmission and module efficiency. High elongation absorbs thermal stress and prevents cracking or delamination during 25+ years of solar module operation.
Hot Melt Adhesive (HMA) Base Resin:
EP28025 is the preferred base for HMA formulations, offering high polarity for strong substrate adhesion and precise MFI for controlled flow. Used in lamination adhesives, flexible packaging, industrial assembly, and footwear adhesives, it delivers durable bonds and flexible performance.
Wire & Cable Compound:
Used in cable insulation, semi-conductive jackets, and specialty cable compounds, EP28025’s flexibility, low-temperature toughness, and strong adhesion deliver bendable, impact-resistant cables for electrical, automotive, and specialty applications.
Specialty Coating, Lamination & Industrial Applications:
Ideal for thermal lamination films, extrusion coatings, and custom compounding where optical clarity, flexibility, and adhesion are paramount.
Key Application Highlights:
- Photovoltaic solar encapsulation films (core)
- Hot melt adhesive base resin (HMA)
- Wire & cable insulation, semi-conductive jackets
- Thermal lamination, extrusion coating, specialty compounds
CAS Number
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FAQs
Frequently Asked Questions
What is LG Chem EVA EP28025 and why is it designed for photovoltaic encapsulation?
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Why is the “pure resin, no additives” formulation important for photovoltaic encapsulation?
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Why is transparent sourcing important for LG EP28025 in Indian solar, adhesive, and cable industries?
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