GLASS BEADS THE GLASS BEADS, ARE USED IN SHOOT PEENING MACHINES FOR SURFACE CLEANING OF PIECES. EXTREMELY RESISTANT TO IMPACT. CORUNDUM (ALUMINUM OXIDE) SAND WITH A HIGH DEGREE OF ABRASION PARTICULARLY SUITABLE FOR SANDBLASTING RECYCLING DULRED CORUNDUM (ALUMINUM OXIDE) SAND WITH A HIGH DEGREE OF ABRASION PARTICULARLY SUITABLE FOR SANDBLASTING RECYCLING GARNET ALL-NATURAL AND CHEMICALLY INERT ABRASIVE EXTREMELY HARD AND DURABLE. STEEL SHOTS POMICE