Faucet Ceramic Washer 1. Wear-resisting 2. corrosion resisting 3. Precision ... ring, seal, bearing, valves, pump plunger, beam, roller, shaft, screw, washer, sleeve, hunger, spacer, holder, carrier, insulator, scissors, knife, slitter, ... electronic, electrical, mechanical, chemical, automotive, textile and the other industrial engineering applications, due to their extreme hardness, more resistances to ...