Complaint
| Al2O3 | SiO2 | Fe2O3 | MgO | K2O+Na2O | TiO2 |
| 47-56% | 62-70% | <1% | <2.5% | <4% | <0.5% |
| Item | Value |
| Water absorption (%) | <1 |
| Packing density (g/cm3) | 1.9-2.2 |
| Specific gravity (g/cm3) | >3.6 |
| Operation temp.(max) (ºC) | 1650 |
| Moh's Hardness | >7 |
| Apparent porosity (%) | <1 |
| Nominal Size | Crush Strength | |||
| (lbs) | (kg) | (N/pc) | ||
| mm | inch | min. | min. | min. |
| 3 | 1/8" | 115 | 52 | 510 |
| 6 | 1/4" | 230 | 105 | 1030 |
| 10 | 3/8" | 440 | 200 | 1961 |
| 13 | 1/2" | 1355 | 615 | 6031 |
| 16 | 5/8" | 1720 | 780 | 7650 |
| 19 | 3/4" | 3344 | 1520 | 14896 |
| 25 | 1" | 3432 | 1560 | 15288 |
| 38 | 1-1/2" | 4034 | 1830 | 17946 |
| 50 | 2" | 4960 | 2250 | 22065 |
