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brown fused alumina Grain
1.Introduction
It is made by high-quality Bauxite as main material, fusing and purifying in a pouring electric arc furnace
at a temperature of over 2200°c, and made into different grain size through crystal, choosing, crashing,
magnetic, separating, screening, washing and acid washing, etc.
2.Applications
3.Specifications
|
Item | 95 | 96 | 97 |
Al2O3 | ≥95% | ≥96% | ≥97% |
SiO2 | ≤1.2% | ≤1.0% | ≤0.8% |
TiO2 | ≤3.2% | ≤3.0% | ≤2.0% |
Fe2O3 | ≤0.3% | ≤0.2% | ≤0.2% |
CaO+ MgO | ≤0.6% | ≤0.5% | ≤0.4% |
Real demsity | ≥3.9 g/cm3 | ||
Moh's hardness | 9.0 | ||
Microhardness | 2000-2200KG/MM2 | ||
Clarseness | 8-5MM 5-3MM 3-1MM 1-0MM | ||
16# 24# 30# 36# 46# 60# 70# 80# 90# 100# 120# | |||
Fines | 180F 200F 240F 325F (Fe2O3 ≤0.50%) | ||
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Product Categories : Abrasive & Refractory > Brown Fused Alumina
