Product Overview

This highland barley insulation paper gasket is purpose-designed for Cylindrical battery cell terminal cap insulation applications. The width is precision-cut for terminal cap gasket stamping and placement, minimizing material waste compared to wider rolls. Fluoroplastic-processed barley paper delivers 4000V dielectric strength and 130℃ thermal stability, while the white surface enables high-contrast visual inspection during automated gasket placement.

• White Surface for Precision QC: High-contrast white color enables superior optical detection accuracy in automated gasket placement systems, reducing misalignment defects
• Fluoroplastic-Processed Durability: Enhanced tear resistance and arc tracking protection compared to untreated barley paper, critical for the high-precision stamping required in terminal cap gasket production
• 4000V Dielectric Strength: Verified insulation performance ensures reliable electrical isolation between cell terminal cap and casing
• 130℃ Thermal Rating: Maintains dimensional stability during post-assembly hot-press and sealing processes without deformation

• 18650 cylindrical cell positive terminal terminal cap insulation gasket
• 21700 battery cell terminal cap electrical isolation ring
• Precision die-cut gasket production for automated battery assembly lines

• Factory Direct Supply: As a direct manufacturer of battery raw materials, we eliminate middleman markups, offering competitive pricing on every roll of highland barley insulation paper.
• Consistent Quality Control: Every batch undergoes 4000V voltage withstand testing and 130℃ thermal stability verification, with certified production processes ensuring roll-to-roll consistency.
• Fast Global Delivery: 5-8 working days processing time with export-grade moisture-proof packaging. We ship to battery manufacturers worldwide via reliable logistics partners.
• Flexible Order Quantity: Minimum order of just 1 roll for sample testing and quality evaluation. Volume discounts available for bulk production orders with monthly supply capacity of 10,000 rolls.
• Technical Support: Our engineering team provides application guidance for terminal cap gasket die-cutting parameters and insulation paper integration with automated battery production lines.