... is the thread sealing tape which is widely used in applicable strong oxidant, strong acid, oxygen, gas, ... P.T.F.E thread seal can be long term used in the temperature between -190°C to ... °C.4 P.T.F.E tape is used in hardware, construction, chemical and electronic, national defence, ... our products,such as sealing insulativity,acid-resistance,in can be used under all conditions.Detailed Product Description ...