Positive fiber insulation washer 21700 - 560 pcs

This fiber gasket for cells has been designed to offer effective positive insulation between the cell pole and the nickel, ensuring an additional Protection against possible short circuits. Made from high-quality fiber, it perfectly withstands the heat generated during the Welding spot welding process, without deforming or deteriorating. Its precise format and reliable fit make this gasket an essential component in the safe assembly of lithium batteries.