Al2O3 % | Fe 2O3 % | K2 O % | Na2O % | Mg O % |
20-80 | <1 | <3 | <1.5 | <0.5 |
Physical Properties | ||||
Water absorption rate, % | <5 | |||
Bulk Weight | 1200-1500 | |||
Proportion, g/cm3 | 2.3-2.45 | |||
Temperature resistance, V | 1300-1600 | |||
Moh's hardness, Moh | >7 | |||
Acid resistance, % | >98 | |||
Resistance to alkalis, % | >82 | |||
Softness, V | 1970 | |||
Diameter, mm | 6-75 |