... and non-metal,various sizes of medias. polishing media-glass beadGlass bead blasting produces a clean, bright, satin finish, without ... delicate thin-walled parts and thin welds, penning with glass bead abrasive material provides the right balance of stress relief ... Compound, Abrasive Chips, Ceramic beadPlastic Media are made of high quality of abrasives and plastic resin, generally used for gentle ...