0.25mm Single-Sided Adhesive Fish Paper Insulation Gasket for 3-Cell Hollow 21700 Lithium Battery Pack

0.25mm Single-Sided Adhesive Fish Paper Insulation Gasket for 3-Cell Hollow 21700 Lithium Battery Pack

This customized fish paper insulation gasket is specially designed for 21700 cylindrical lithium battery packs. With a 3-cell hollow structure and 0.25mm thickness, it provides reliable electrical isolation and flame retardant protection between battery cells and components. The single-sided adhesive layer ensures easy positioning and stable installation during battery pack assembly.

Made from premium vulcanized fiber fish paper, this insulation sheet features excellent dielectric strength, flame resistance, heat stability, and mechanical durability, helping improve battery safety and prevent potential short circuits caused by contact or abrasion.

• Designed for 3-cell hollow 21700 lithium battery configurations
• 0.25mm thickness with single-sided adhesive backing
• Excellent electrical insulation and flame retardant performance
• High temperature resistance and dimensional stability
• Strong adhesion for secure battery assembly
• Precision die-cutting for accurate fitting and mass production

• 21700 cylindrical lithium battery packs
• Battery module insulation protection
• Energy storage battery systems
• Power tools and portable electronic devices
• Custom battery insulation components

• Thickness, size, shape, and hole design
• Adhesive type and backing options
• OEM die-cut insulation solutions according to customer drawings