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