... in bathroom product, valve, faucet, machine, hydraumatic, pneumatic and automobiles.Hardness: Shore 50-75Color: black,white,red,green,yellow ... acid/alkali resistance, weather resistance, abrasion resistance, voltage resistance and insulating resistance etc.SizeAS568, P.G Series, ISO 361/ ... as PPAP, CONTROL PLAN, PFMEA etc.Have advanced CNC machine and technique to cut bonding washer molds by ourself.7) ...