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White Fused Alumina
White Fused Alumina, a kind of high-grade refractories, 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.
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Properties
Chemical Composition And Physical Properties
|
Chemical Composition |
Al2O3 |
98.5-99.7% |
|
Fe2O3 |
0.04-0.10% |
|
|
Na2O |
0.25-0.35% |
|
|
Physical properties |
Specfic Gravity |
3.95-3.97g/cm3 |
|
Bulk density |
1.75-1.95g/cm3 |
|
|
Mohs Hardness |
9.0 |
Available Sizes
|
Fraction |
|
0-1mm 1-3mm 3-5mm 5-8mm... |
|
Fine |
|
-100mesh -200mesh -320mesh... |
|
Grains |
FEPA |
F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 |
|
JIS |
#8 #10 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 |
|
|
Micro powder (Standard) |
W |
W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5 |
|
JIS |
#240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 #12000 |
|
|
FEPA |
F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
Application
- Refractory, casting,foundry.
- Bonded abrasives and Coated abrasives.
- Surface treatment/finishing.
- Lapping, polishing, decorative non-skid tile, and pressure blasting.
- Ceramic Tiles special ceramics.
- Fluidized Bed Furnaces and Skin/Dental Care.
- Oilstone/polishing pad, grinding wheels etc.
- Anti-friction material, anti-resisting grounds/paper/paiting.
- Used for making polishing paste/solution etc.
