alumina Al2O3 powder
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alumina al2o3 powder for refractories:
1. High AL2O3 content: 99%min
2.Used for refractory
The product is white powder,uniform of particle size,easy to dispersion,stable of chemical
performance,moderate in high temperature shrinkage .
The product is the basic raw material in the production of high alumina refractories.
Refractory grade alumina
Items | AL2O3(%) | Na2O(%) | SiO2(%) | Fe2O3(%) | True density g/cm3 | Alpha-AL2O3 (%) | The original grain size(um) |
NX-1 | 99.7 | 0.10 | 0.05 | 0.03 | 3.95 | 95 | 2~3 |
NX-2 | 99.5 | 0.15 | 0.10 | 0.03 | 3.94 | 95 | 2~3 |
NX-3 | 99.0 | 0.20 | 0.04 | 0.03 | 3.93 | 94 | 1~3 |
HX-1 | 99.5 | 0.20 | 0.08 | 0.03 | 3.93 | 94 | 1~2 |
