Emery powder of white fused alumina F240
Our white fused alumina grains are produced from high purity calcined alumina in electric arc-furnaces.The molten material undergoes cooling, crushing, grinding, sieving, classifying and, of course, various quality checking procedure before it is packed for delivery.
color | white | |||||||
Hardness(mohs) | 9.0 | |||||||
Melting point(°C) | 2250 | |||||||
Maximum service temperature(°C) | 1900 | |||||||
Ture density(g/cm3) | 3.9 | |||||||
Al2O3 | 99% | |||||||
Fe2O3 | 0.05 | |||||||
Na2O | 0.26 |
Size Distribution