INSULATION PAPER RING 21700 IMPORTED (4810)

An insulation paper ring for 21700 batteries is a critical component for safe battery pack assembly, providing electrical and thermal insulation to prevent short circuits and thermal runaway. These rings are typically made from imported fish paper or barley paper, designed for high-performance lithium-ion battery applications.​ Recommended Options 21700 Battery Insulator Rings (Fish Paper, Adhesive Backing) Material: Heat-resistant fish paper Features: Precision fit for 21700 cells, peel-and-stick adhesive, prevents shorts during welding and assembly​ 21700 Terminal Insulators (Barley Paper, Adhesive) Material: Barley paper, 0.25–0.3mm thickness Features: Corrosion-resistant, tear-resistant, easy peel-and-stick application, bulk quantities available​ Imported Insulation Paper Ring (21700, Yati Infotech) Material: Imported insulation paper Features: Superior electrical and thermal protection, essential for high-performance battery packs