Size |
5-100 |
5-40 |
5-70 |
Appearance |
loose powder |
Color |
white |
Bulk density, g/cm3 |
2,5-2,7 |
Specific weight, g/cm3t |
6,0 |
Hardness, Mohs scale |
Over 8,5 |
LOI*, no more than % |
LOI*, no more than % |
Chemical composition, % |
ZrO2 |
Over 90,0 |
Y2O3 |
8,0-8,6 |
Al2O3 |
Less than 1,5 |
Fe2O3 |
Less than 0,07 |
SiO2 |
Less than 0,5 |
LOI*, % - is relative mass change when baking.