... masking tape:Easy to use,Ideal material for sealing.Professional teflon tape mainly for naturalgas,water,petroleum oils,liquids and air ... Insulation,acid-resistance and corrosion resistance,using in oxidizing agent for a long term. Product Distription: 1, seal water pipe ... gas, high temperature steam and various chemical corrosive of Pipesand valves interface.3, seal water pipe plumbing tape can be long ...