Permatex maximum temperature thread sealant with PTFE is formulated for fast, responsive curing on metal pipe threads and fittings. This sealant is a smooth, white paste-like compound that controls lubricity to assist assembly and torque tightening. Permatex maximum temperature thread sealant replaces tapes or pipe dopes. It cures rapidly to withstands 10000 psi within 24 hr. Prevents galling and protects mated threaded surfaces from rust and corrosion. The product cures when confined in the absence of air between close fitting metal surfaces. This product may not be compatible with some thermoplastic materials.