CUVAN® 303 Metal Deactivator
NSF Certified: HX-1, 138995 - CUVAN 303 is an oil-soluble corrosion inhibitor and metal deactivator for lubricants, greases, and metalworking fluids. As a corrosion inhibitor, it is effective in protecting copper, copper alloys, cadmium, cobalt, silver and zinc. As a metal deactivator, CUVAN 303 inhibits oxidation by chelating metal ions that catalyze oxidation. Recommended treat levels are from 0.05 to 0.20 mass percent.