Sandblasting aluminum oxide grain, brown corundum, brown aluminium oxide, dull grain shape, top high toughness Description:AETL is a very tough brown fused aluminum oxide abrasive with medium titania, blocky ... , FEPA-Standard 42-1:2006 or ISO 8486-1Key words:Brown fused alumina, brown corundum, brown aluminium oxide, artificial corundum brown fused alumina dull sandblasting abrasive grain