Permatex Form-A-Gasket Sealant 1 is a hard-setting, fast-drying paste designed to seal flanges, fittings, and threaded connections in permanent assemblies. Engineered to enhance gasket durability and prevent leaks, it performs reliably in high-pressure environments up to 5000 psi. Ideal for automotive and industrial use, it is suited for applications such as freeze plugs, manifold gaskets, air ducts, and plumbing systems.