About this product

Using double-layer polyester film as the base material, it has high tensile strength, excellent insulation performance, puncture resistance and scratch resistance.
With a special glue formula, there is no residual glue after being torn off from the surface of the pasted object, which can meet the needs of full-automatic production.
according to the market feedback, it can provide products with a length of 200m~400m and a bottom film, reduce the roll change time in the production process, reduce the production hours of lithium batteries, and improve the production efficiency.

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Specifications

Items Unit Tolerance Value Testing Method
Appearance opaque blue,No impurities, no scratches Eyes
Application layer Base film thickness mm ±0.003 0.08 ASTMD-3652
  Acrylic glue mm ±0.003 0.03  
         
180°peel strength N/25mm Initial 3±1 ASTMD-3330
    RT 24hr 4±1  
Heat resistance stick onto aluminium foil, testing after 30min in 120 degree,no fall off, no glue residue; ASTMD-1003
Breakdown Voltage KV – 3  
Elongation % MD 175 ASTMD-3759
    TD 150  
Tensile strength Mpa MD 172 ASTMD-3759
    TD 192  
Electrolyte resistance  Stick onto aluminium foil, drop electrolyte, test after 30min., no fall off, no erode, no glue residue.

Characteristic

Steady adhesion,adsorptive,,excellent exhaust ability,no yellow.

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