... various casting types. It is most typically used on Aluminium, Non Ferrous Metals, Zinc Alloys, Stainless Steel etc. where a rust & stain ... castings,small Aluminium castings & ForgingsAluminum Wheels, Pistons, Casings & ForgingsAluminium, Copper, Non Ferrous Alloys, Zinc & ForgingsAluminium castings, Special Alloys & ForgingsStainless Steel Castings & Forgings ...