Product Introduction
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.
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.
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