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For Abrasives and Refrqactory Al2O3 99.2%min, SiO2 0.2%max, Fe2O2 0.1%max, Na2O 0.4%max We can supply over 30000mt per year
White Fused Alumina(WFA or WA)is made from chemical by Higgns furnace or Tilting furnace at high temperature.It is very important raw material for advanced refractories and abrasives.Its properties are as folowing.
Items | Unit | Index | ||
Chemical composition | Al2O3 | % | 99.00min | |
SiO2 | % | 0.20max | ||
Fe2O3 | % | 0.10max | ||
Na2O+K2O | % | 0.40max | ||
Refractoriness | °C | 1850min | ||
Bulk density | g/cm3 | 3.50min | ||
Mohs hardness | --- | 9.00min | ||
Principal crystalline phase | --- | α-Al2O3 | ||
Refractory grade | Grain | mm | 0-50, 0-1, 1-3, 3-5, 5-8 | |
Fines | mesh | -80, 120, 180, 220, 325 | ||
Grit(Abrasive grade) | # | F14, 24, 46, 100,180, 220,etc. | ||
White Fused Alumina