金刚砂化学成份GB/T2478-1996 CHEMICAL COMPOSITION OF BROWN ALUMINIUM OXIDE |
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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
|
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