Description:
White fused alumina is fused in electric furnace with high grade alumina powder.It's a kind of high grade and mid level refractory material, with the host lattice of α –Al2O3 and in white and crystal like color.
Features:
White fused alumina are of high bulk density and low air hole rate, which can efficiently improve dimensional stability and thermal shock resistance of materials.
Application:
Fused white alumina is widely used in steel, advanced refractories and ceramic additives,cement, bonded and coated abrasives, petrochemical, and other industries.
Specification:
Brand | WFA | WFA with trace Sodium | ||
Index | Fraction 0-1-3-5mm | Fine -180mesh,-325mesh | Fraction 0-1-3-5mm | Fine -180mesh,-325mesh |
Al2O3 | 99%Min | 98.5%Min | 99.0%Min | 98.5%Min |
SiO2 | 0.4%Max | 0.4%Max | 0.3%Max | 0.3%Max |
Fe2O3 | 0.2%Max | 0.25%Max | 0.25%Max | 0.25%Max |
Na2O | 0.4%Max | 0.5%Max | 0.2%Max | 0.25%Max |
Volume density | 3.50g/cm3 Min | 3.50g/cm3 Min | ||
| Real density | 3.95g/cm3 | |||
| Size | 0-1mm,1-3mm,3-5mm,5-8mm, F16-F220, -100mesh, -200mesh, -325mesh or as the request | |||
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