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White Fused Alumina Refractory
White fused alumina is one kind of electro-corundum,which produced by alumina in the electric arc furnace(titling furnace or fixed furnace) with temperature more than 2200℃,often,we call it white fused alumina,white aluminium oxide or white corundum.
Product Details
White fused alumina is one kind of electro-corundum,which produced by alumina in the electric arc furnace(titling furnace or fixed furnace) with temperature more than 2200℃,often,we call it white fused alumina,white aluminium oxide or white corundum.It is applied to the unshaped and shaped refractory materials, another,it can be used for abrasives,such as sandblasting, resin grinding wheel, ceramic grinding wheel, abrasives belt, abrasive paper and polishing.
Applications
a) Refractory materials
WFA refractory castables,ramming mass,hook refractory material,refractory brick,and other refractories;
b) Ceramics
c) WFA ceramic pipe, ceramic special-shaped parts,electric ceramic coated parts
WFA - refractory grade
Chemical composite and physical properties
| Items | Grain | Powder | |
| Chemical Composition % | Al2O3 | 99.3%min | 99.2%min |
| SiO2 | 0.10%max | 0.10%max | |
| Fe2O3 | 0.10%max | 0.10%max | |
| Na2O | 0.30%max | 0.40%max | |
| Melting point(℃) | 2250 | ||
| Real density(g/cm3) | 3.90min | ||
| Refractoriness （℃） | ≥1900 | ||
| Color | White | ||
| Size | 0.5-1,0-1, 1-3, 3-5, 3-6-16+48mesh, -8+16mesh | 200mesh,325mesh | |
Packing
1000kg or 1250kg bulk bags
Bulk bag on pallets
25kg woven bag in bulk bags
25kg paper bag on pallets
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