Standard density allows be used on all applications including water, oil, chemical. PTFE TAPE is made from 100% pure PTFE(Pol Standard density allows be used on all applications including water, oil, chemical. PTFE TAPE is made from 100% pure PTFE(Polytetrafluoroethylene) resins. PTFE is an almost chemically inert thermoplastic material, which retains useful mechanical properties over a wide ...