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Pi Film Tab Insulation Tape for Lithium Battery Electrode Protection. Halogen-Free Compliance: Meets IEC 61249-2-21, EN 14582, and SONY SS-00259 standards. Customizable Dimensions: Available in custom widths, lengths, and die-cut shapes upon request. Silicone-Free Release Liner: Eliminates contamination risks in sensitive battery manufacturing environments. Acrylic Adhesive Formula: Non-silicone, acid and alkali resistant adhesive for stable bonding. High-Speed Production Ready: Uniform unwind force and moderate peel strength for automated lines. Versatile Cell Compatibility: Suitable for cylindrical, prismatic, and pouch cell configurations.