特点:韧性好比SiC高,显微硬度1800-2200kg/mm2,体积密度≥3.85g/cm3,耐高温,耐火度高达1850oc
化学成份GB/T2478-1996
CHEMICAL COMPOSITION OF BROWN ALUMINIUM OXIDE
粒度范围
Range of Grit Sizes 化学成份%(按重量百分比)
Chemical Composition%(by weight)
Al2O3 TiO2
4#-90# 94.50-97.00 1.50-3.80
100#-180# ≥93.50 1.50-3.80
220#-240# ≥92.50 1.50-3.80