Loctite® PTFE™ Thread Sealing Tape is non-curing. Applications include sealing threaded plugs on engines, fuel lines, transmission pans and lines, air conditioning units, radiators, fuel tanks, vacuum lines, coolant lines, brake lines and hydraulic systems. It replaces conventional pipe joint compound and hardening sealants and can be used on all pipe materials. This product is compatible with all chemicals, acids, alkalis, solvents and gases (including oxygen). It can be used in temperature areas up to 260°C.