... application 3.stable quality 4.large output quantity Description:A-20B is a kind of Brown Aluminum Oxide abrasive specially producing for ... sandblasting, polishing applications. Applications:A-20B is mainly used in the removal of oil, grease ... Sizes Available (F):12, 14, 16, 20, 22, 24, 30, 36, 40, 46, 54, 60, 70, 80, 90, 100, 120, 150 ...