... packings, gaskets, valve seats, selflubricating bearings, piston rings etc.Hose tube made from PTFE powder has the performance as wide ... non-stick, and will be long life service.Inside: PTFE hose, for high and low temperature used, anti-corrosive, non-stick.Outside ... use: -70°C~ +260°C.Use: The hydraulic hose, pneumatic hose and steam hose of the industries of Rubber, Plastic, Clothing, Auto, Engine ...