Item | SN-3 | SN-1.6 | SN-1.2 | SN-1.0 | SN-0.8 |
Moisture | <0.4 | <0.4 | <0.4 | <0.5 | <0.6 |
Al(OH)3 | >99.6 | >99.6 | >99.5 | >99.5 | >99.5 |
SiO2 | <0.04 | <0.04 | <0.04 | <0.04 | <0.04 |
Fe2O3 | <0.03 | <0.03 | <0.03 | <0.03 | <0.03 |
Na2O | <0.3 | <0.3 | <0.3 | <0.3 | <0.3 |
Size(um) | 3-4 | 1.5-1.7 | 1.1-1.3 | 0.95-1.05 | 0.75-0.85 |
Whiteness | >97 | >97 | >97 | >97 | >97 |