| 出生地 |
Henan China (Mainland) |
| 牌子的名字 |
Hongda |
| 模式的数量 |
HD-A72 |
| 材料 |
alunina powder |
| 使用 |
abrasive |
| 粗鲁的颗粒尺寸 |
P240-P800 |
White Fused Alumina is used as polishing materials and precision sand mold, casting,spraying and coating materials. It is made by alumina as raw material, which is meited at high tempreture. The hardness is higher but toughness is loewr than brown fused alumina.GB/T2479-1996 CHEMICAL COMPOSITION OF WHITE ALUMINIUM OXIDE Range of Grit SizesChemical Composition%(by weight)Al2O3Na2O12#-90#min 98.50max 0.50100#-90#min 98.50max 0.70W63-W14min 98.00max 0.80W10-W5min 97.00max 0.80