The flat washer provides a bearing surface for fastener load distribution or is used as a spacer between components.
PTFE (polytetrafluoroethylene) provides a low-friction surface and offers resistance to corrosion and most chemicals.
PTFE gasket offers a more stable isolation performance even at a extremely natural conditions than silicone material ones.
Can be widely used in food, medicine, aerospace, automotive, sanitary ware, electronics, bearings, and other industries.