金剛砂化學成份GB/T2478-1996 CHEMICAL COMPOSTITON OF BROWN ALUMINIUM OXIDE

粒度范圍
Range of Grit Sizes

化學成份％（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