... tapes mainly for natural gas,water,petroleum oils,liquids and air... Professional PTFE THREAD SEAL tapes mainly for natural gas ... 30g/cm3-0.6g/cm3INDUSTRIAL USAGE CIVIL-CONSTRUCTION, MACHINERY, CHEMICALS, AND SPACE NAVIGATION, ESPECIALLY IN GRAINAGE SYSTEMS.CHARACTERISTICS: INSULATION, ACID- ... mm2PERCENTAGE ELONGATION:≥25%IDENTITY:INSULATION, CORROSION RESISTANCE ANTI-ANGING PTFE tape with 19mm