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Polyimide (PI) Tape – 100 m Roll, 0.035 mm Thickness (10–30 mm Width Options) for Battery Cell Assembly

Polyimide (PI) Tape – 100 m Roll, 0.035 mm Thickness (10–30 mm Width Options) for Battery Cell Assembly

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Polyimide (PI) tape is widely used in lithium battery manufacturing for insulating and protecting welding areas in stacked pouch cells and cylindrical cell winding processes.

It prevents welding burrs from penetrating the separator and provides stable insulation under elevated temperatures.

The tape features a polyimide substrate combined with a lithium-resistant adhesive, ensuring chemical compatibility and thermal stability during cell assembly.

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Specification
Material Polyimide (PI) Film
Adhesive Type Lithium-resistant adhesive
Color Brown
Total Thickness 0.035 mm
PI Film Thickness 25 µm
Width Options 10 mm / 15 mm / 20 mm / 25 mm / 30 mm
Roll Length 100 m per roll
Temperature Resistance 150 °C (30 min)
Application Pouch cell welding insulation / Cylindrical cell tab protection

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