for making vitrified bonded grinding wheels Description:AETL is a very tough brown fused aluminum oxide abrasive with medium titania, blocky shape and ... .Applications:AETL is used for making vitrified bonded grinding wheels. The tough, strong aluminum oxide characteristic also enable this abrasive the used ... 0.0076%Grain Sizes Available (F):12, 14, 16, 20, 22, 24, 30, 36, 40, 46, 54, 60, 70, 80, 90 ...