valve stem seal

auto seal, valve seal, vavle stem seal Material Analyse: FPM(Fluorine Rubber,Viton) ·Good Heating Resistance and Chemical Resistance ·Important Physical Properties HsA85 Hardness -20 +200 Working Temperature ≤250bar Working Pressure Feature: We have more than 4000 items for rotary oil seal, reciprocate oil seal, valve stem seal, o-ring etc, more than 250 items for engine full set and gear box full set. Our annual output of oil seals is 30 million PCS., sealing parts is 45 million PCS. Our prodoct passed the tessing by China Authoritative Institution, and our raw material passed American FDA testing, also measure up ROHS LMBG/LFBG, PAHs Eropean enviroment and santitation standard.