The Permatex Seal+Lock Thread Compound is designed to combine the sealing capabilities of a thread sealant with the holding power of a blue, medium-strength threadlocker. This compound helps ensure sealed connections will not leak and locked fittings will not loosen. The compound creates an air and watertight seal up to 1,000 psi and locks to 120 in-lbs, and is resistant to temperatures from -60 degrees F to 300 degrees F. This product is resistant to solvents and common shop fluids and is removable with hand tools.