High-Performance EVA Photovoltaic Encapsulation Film, >91% Transmittance

Cat No:PPPP-0011

Description

An ethylene-vinyl acetate encapsulation film designed to protect photovoltaic cells between the module glass and rear-side material while maintaining high optical transmission and long-term adhesion.

Datasheet

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Basic Information

Chemical Name	Ethylene-vinyl acetate copolymer encapsulation film.
Features and Benefits	High optical transmission, weather resistance, adhesion, short lamination time and anti-PID performance.
Usage Instructions	nan
Elongation at Break	≥450%.
Volume Resistivity	≥1 × 10¹⁵ Ω·cm.
Product Standard	nan
Shrinkage	Transverse: ≤1.5%; longitudinal: ≤3.0%.
Peel Strength	To glass: ≥60 N/cm; to backsheet: ≥40 N/cm.
Crosslinking Degree	75–95%.
Light Transmittance	>91% at 380–1100 nm; >80% at 290–380 nm.
Vinyl Acetate Content	28 ± 2 wt%.
Damp Heat Resistance	DH1000 yellow-index change: ΔYI ≤3%.
UV Resistance	After 60 kWh/m² exposure: ΔYI ≤3%.
PID Resistance	Module power degradation: <5% under testing.

Applications

Encapsulation of crystalline-silicon photovoltaic cells in module laminates.

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