Permatex Copper Anti-Seize Lubricant. Copper Anti-Seize Lubricant Is Specially Formulated Colloidal Copper Compound That In Effect "Copper Plates" Mating Surfaces. It Prevents Seizing And Galling Caused By Heavy Loads, Vibrations, Corrosion And Temperature Up To 1800 F (980 C). For Use With Most Metals Under Most Conditions, Including Cast Iron, Steel, Stainless Steel, Nickel, Copper, Brass, Bronze, Titanium, Aluminum And Monel. Protects Metal Parts From Corrosion And Seizure To 1800 F (980 C).