Electrically fused from a mixture of bauxite, iron sulfide, etc. It is yellowish or gray, with strong grain shape, great hardness, toughness and impact strength, hence it is particularly adaptable for the grinding of stainless steel, high vanadium-high speed steel, and is especially used for the grinding of easy-deformed and easy-burned parts.
| Grit Size/Weight %/Chem. Comp. | Al2O3 |
|---|---|
| 24# ~ 90# | >= 98.5 |
| 100# ~ 240# | >= 98.0 |
Specifications
- Base mineral: alpha-Al2O3
- Crystal size(um): monocry stalline
- True density(g/cm^3): > 3.95
- Bulk density(g/cm3^): 1.85 ~ 1.91
- Knoop hardness(kg/mm^2): 2200 ~ 2400
- Toughness (single grain crushing strength)(kg): 1.20
Main Products
abrasive materials, grinding tools, silicon lakeside, heating elements, magnesium, magnesium alloy