Insulation Paper 21700 Negative (10K pack)

#Key Features

Type: High-temperature resistant insulation paper discs
Cell Compatibility: 21700 (Negative terminal side)
Pack Size: 10,000 pieces
Material: Durable aramid-based fish paper
Applications: Negative terminal insulation in cylindrical battery packs
Features: Flame-retardant, easy to apply, long service life, heat-resistant
Usage: Suitable for battery manufacturers, maintenance, and assembly units

The ExploreSynergySynocare 21700 Negative Insulation Paper is engineered to prevent electrical shorting and mechanical abrasion at the cell base. With its high-temperature resistance and strong dielectric properties, it provides consistent insulation during welding and long-term operation. This bulk 10K pack ensures cost-effective production and high assembly efficiency for professional battery makers.