standard ptfe tape mainly for natural gas, water, petroleum oils,liquids and air. ... -CONSTRUCTION, MACHINERY,CHEMICALS, AND SPACE NAVIGATION, ESPECIALLY IN GRAINAGE SYSTEMS.CHARACTERISTICS:INDULATION, ACID-RESISTANCE AND CORROSION RESISTANCE, USING IN OXIDIZINGAGENT FOR ... : ≥25%IDENTITY:INSULATION,CORROSION RESISTANCE ANTI-AGING PTFE Thread Seal tape