... ,metal and non-metal,various sizes of medias. polishing media-glass beadGlass bead blasting produces a clean, bright, satin finish, ... Compound, Abrasive Chips, Ceramic beadPlastic Media are made of high quality of abrasives and plastic resin, generally used for gentle ... zinc, copper, brass, gold, and silver. Plastic media can provide high surface finish and widely used for pre-plate finishing.Plastic ...