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| Al2O3 | Fe2O3 | MgO | SiO2 | Na2O |
| >99% | <0.1% | <0.5% | <0.2% | <0.05% |
| Item | Halaga |
| Pagsipsip ng tubig (%) | <1 |
| Bulk density (g/cm3) | 1.9-2.2 |
| Specific gravity (g/cm3) | >3.6 |
| Temp ng operasyon.(max) (℃) | 1650 |
| maliwanag na porosity (%) | <1 |
| Ang tigas (scale) ni Moh | >9 |
| Acid resistance (%) | >99.6 |
| Alkali resistance (%) | >85 |
| item | Halaga |
| Pagsipsip ng tubig (%) | <1 |
| Densidad ng packaging (g/cm3) | 1.9-2.2 |
| Specific gravity (g/cm3) | >3.6 |
| Temp ng operasyon.(max) (℃) | 1650 |
| maliwanag na porosity (%) | <1 |
| Sukat | Lakas ng crush | |
| kg/particle | KN/ particle | |
| 1/8" (3mm) | >203 | >2 |
| 1/4" (6mm) | >459 | >4.6 |
| 1/2" (13mm) | >877 | >8.7 |
| 3/4" (19mm) | >1220 | >12 |
| 1" (25mm) | >1630 | >16 |
| 1-1/2"(38mm) | >2340 | >23 |
| 2" (50mm) | >3460 | >34 |