Brown fused alumina
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It is brown and features toughness and impact strength.It can bear high pressure.Its knoop's hardness is 1800-2200 kg/mm2 .It is suitable for making bonded and coated abrasive tools,wet or dry blasting,super precision grinding and polishing,making super refractory materials,grinding carbon steel,alloy steel,malleable cast iron,hard bronze and semi-conductor materials. |
GB/T2478-1996
CHEMICAL COMPOSITION OF BROWN ALUMINIUM OXIDE |
Range of Grit Sizes
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Chemical Composition%(by weight) |
| Al 2 O 3 |
TiO 2 |
| 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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