Loctite LB 8065 is a copper coloured, naphthenic oil, anti-seize in the form of a lubricant stick. All mated parts, studs, bolts, flanges and gaskets, remove more easily and in cleaner and better condition. This product can be used on copper, brass, cast iron, steel, all alloys including stainless steel, all plastics and all non-metallic gasketing materials.