LUXI Yellow Aggressive is a water-based, animal fat-free polishing compound, composed of an alumina oxide abrasive in a water-soluble binder, and silica-free. This compound is safe to use and easy to clean up while producing an amazing finish. Use this Aggressive Yellow compound following 240-320 grit sandpaper on bronze, brass and silver. It can also be used on polymers. Use with a non-treated muslin or felt stitched buffs running at 3000rpm. Each individual package contains one bar of compound (approx 300gm). Dimensions approx 125 x 45 x 35mm. Grinding Feature: high, Gloss Feature: High.