... color roasted, angular, sharp-edged Brown Fused Aluminum Oxides. The abrasive grains is calcined at high temperature to improve ... used for production of all kinds of premium quality brown aluminum oxide coated abrasive products like abrasive cloth, ... : 1998 Key words:heated aluminium oxide grain, calcined aluminium oxide grain, high temperature treated brown fused aluminium oxide,fused brown corundum,