abular alumina has good heat resistance and good bulk temperature thermal shock capabilities. The crystal staggered plate shape, to increasing the mechanical strength of the particles
Physical and Chemical Properties:
 Style(Item)  |      chemical index |  physical index | |||||
Al2O3(%) | SiO2(%) | Fe2O3(%) | Na2O(%) | Volume density (g/cm3) | water absorption(%) | apparent porosity(%) | |
0-1mm 1-3mm 3-5mm 5-8mm | Â 99.3 min | Â 0.1Â max | Â 0.08 max | Â 0.4Â max | Â Â Â 3.5 | Â Â 1.5 | Â Â 5 max |
200#-0 320#-0 325# | 99.1 min | 0.15 max | 0.1 max | 0.4 max |   3.45 |   2.0 |  6 max  |