... size :16-320mesh 2)packge:25kg/bag Brown Fused Aluminum oxide ,blasting mediaWith bauxite, carbon material, iron filings as ... resin, as well as the high-Bonded Abrasives grinding, polishing, sand blasting, precision casting and so on, also ... large bulk density, strong self-sharpening, good toughness, low level magnetic material content and other characteristics Brown Aluminum Oxide for sandblasting