China 99% High Purity Alumina Ceramic Support Ball, Find details about China High Purity, Ceramic Ball from 99% High Purity Alumina Ceramic Support Ball
Composition % | HQ-GA High purity alumina(ceramic) support ball | |||||
90% | 92% | 95% | 97% | 99% | 99.5% | |
Al2O3, % | ≥ 90 | ≥ 92 | ≥ 95 | ≥ 97 | ≥ 99 | ≥ 99.5 |
SiO2, % | ≤ 5.0 | ≤4.0 | ≤3.0 | ≤1.0 | ≤0.3 | ≤0.2 |
Fe2O3, % | ≤0.8 | ≤0.5 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.05 |
CaO, % | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.15 | ≤0.1 |
MgO, % | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.5 | ≤0.2 | ≤0.1 |
Na2O+K2O, % | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.5 | ≤0.3 | ≤0.3 |