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HongYe brown fused alumina refractory materials
Browu fused alumina Introduction
Brown fused alumina is made by high qualitybauxite as main material, fusing and purifying in
a pouring electricarc at a temperature of over 2200c, and made into different grain size through
crystal, choosing, crashing, magnetic, separating, screening, washing and acid washing, etc.
Physical Index of Brown fused alumina
Color |
Brown red |
Basic Mineral |
α-Al2O3 |
True Density |
3.90g/cm3 |
Bulk Density |
1.68-1.95g/cm3 |
Mohs Hardness |
9.0 |
Microhardness |
HV1800-2200 |
Chemical Composition of Brown fused alumina
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%) |
||
Brown fused alumina normal and best selling Specifications:
F: 4#-80# 90#-150# 180#-240#
P: 8#-80# 100#-150# 180#-220#
W: 1#-63#
Attention:
F: for the consolidation abrasive and sand blasting
P: for coated abrasives
W: for the powder
eg: W40, that is 320#
0-1mm 1-3mm 3-5mm 5-8mm 8-12mm
25-0mm 10-0mm 50-0mm 30-0mm
180mesh-0 200mesh-0 320mesh-0
Brown fused alumina Applications
1) Abrasive: Produce ceramic grind wheel, resinoid grinding wheel, Grinding stone, Grinding block, sand paper, sand cloth, sand belt, polish wax,etc..
2) Refractory material: Mainly used for abrasion and high temperature resistance,in oxidizable aggregate and filling of shaped and monolithic refractory in steel metallurgy, various industrial stoves, electric furnace
3) Sandblasting abrasive: Mainly used for various material workpieces to decontaminate, de rusting, prevent corrosion, remove oxide skin etc..
4) Abrasion resistance ground: Mainly used for non-slip of airport and road, chemical factoryboard paving.
5) Precision casting: Investment casting technics of stainless steel and aluminum casting in coating.
In-kind shooting pictures of Brown fused alumina
Package pictures of Brown fused alumina
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