Formulated specifically for metal, tapered pipe thread fittings.Replaces other tape and pipe dopes.Prevents galling and protects mated threaded areas from rust and corrosion.Cures rapidly to withstand 10,000 PSI.Suggested Applications: Stainless steel fittings, head bolts into through holes, oil PSI sending units/sensors, oil and coolant lines, intake manifold switches, rear axle fill plug, fuel fittings.