12/Pack Brownie/Greenie/Supergreenie are silicone polishers used on precious metals and amalgam. Use Brownies to achieve a smooth surface, Greenies for a lustrous polish and Supergreenies for a super-polish.
Silicon polishers impregnated with high quality abrasives
Use Brownies for pre-polishing, Greenies for polishing and Supergreenies for super-polishing
Use for amalgams, precious alloys and nonprecious alloys