Chemical Composition | ||||
Product | 50% Alumina Ball | 65% Alumina Ball | 70% Alumina Ball | 80% Alumina Ball |
Al2O3, % | >50 | >65 | >70 | >80 |
SiO2, % | >43 | >25 | >25 | >17 |
Fe2O3, % | <0.6 | <0.5 | <0.5 | 0.2 |
Na2O+K2O, % | <3 | <2.5 | <2 | <1.5 |
MgO, % | <2 | <2 | <1.5 | <1 |
Physical Properties | ||||
Max Working Temperature, C | 1300 | 1350 | 1380 | 1450 |
Water Absorption Rate, % | <1 | <1 | <1 | <1 |
Bulk Density | 2,4 | 2,45 | 2,6 | 2,8 |
Cumulative Weight, Kg/l | 1.4-1.5 | 1.45-1.5 | 1.5-1.6 | 1.65-1.8 |
Moh's Hardness | >7 | >7 | >7.5 | >7.5 |