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FEPA white corundum grain grit
White corundum was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3.The white alumina produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.
Size we can supply for white corundum:
Sand: 0-1mm, 1-3mm, 3-5mm,5-8mm
Fine:100#-0, 120#-0, 150#-0, 180#-0, 200#-0, 320#-0, 325#
Grit: F8#, F10#, F12#, F14#, F16#, F20#, F22#, F24#, F30#, F36#, F40#, F46#, F54#, F60#, F70#, F80#, F90#, F100#, F120#, F150#, F180#, F220#
Powder:F240#, F280#, F320#, F4000#, F5000#, F6000#, F8000#, F1000#, F1200#, F1500#, F2000#, F2500#, F3000#, F4000#
Main Physical Properties:
MOHS HARDNESS |
9.0 |
BULK DENSITY |
1.75-1.95g/cm3 |
SPECIFIC GRAVITY |
3.95g/cm3 |
1,Used for refractory,castable
|
Properties Type
|
0-1 1-3 3-5 5-8mm |
0-100# 0-200# 0-320# 325# |
|||
Guarantee Value |
Typical Value |
Guarantee Value |
Typical Value |
||
|
Chemical Composition |
Al2O3 |
≥99 |
99.5 |
≥98.5 |
99.0 |
SiO2 |
≤0.1 |
0.06 |
≤0.30 |
0.08 |
|
Fe2O3 |
≤0.1 |
0.04 |
≤0.20 |
0.10 |
|
Na2O |
≤0.4 |
0.30 |
≤0.40 |
0.35 |
|
2,Used for abrasives,blasting,grinding
|
properties
Type |
Grains |
||
8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# | |||
Guarantee Value |
Typical Value |
||
|
Chemical Composition |
Al2O3 |
≥99 |
99.50 |
SiO2 |
≤0.1 |
0.04 |
|
Fe2O3 |
≤0.1 |
0.04 |
|
Na2O |
≤0.4 |
0.23 |
|
White corundum F16#
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