Complaint
| Al2O3 | SiO2 | Al2O3+ SiO2 | MgO | K2O+Na2O | CaO | TiO2 | Leachable Fe2O3 |
| 17-22% | <80% | >95% | <2.5% | <4% | <1.5% | <0.5 | <0.1% |
| Items | Proportion | Items | Proportion |
| Bulk gravity (g/cm3) | 2.2-2.4 | Water Absorption (%) | <0.4 |
| Ignition loss (%) | =<0.3% | Moh's hardness (scale) | >=6.5 |
| Heat resistance (ºC) | Up to 980 | Alkali Resistance(%) | >80 |
| Acid Resistance(%) | >98 | Roundness(Max.Dia/Mix.Dia) | <1.25 |
| Diameter | Diameter range (mm) | Crushing strength (kg/particle) | Bulk weight (kg/m3) |
| 1/8" | 2-4 | >18.4 | 1400 |
| 1/4" | 5 -8 | >41 | 1400 |
| 3/8" | 10-12 | >92 | 1400 |
| 1/2" | 12-14 | >173 | 1400 |
| 3/4" | 18-20 | >430 | 1380 |
| 1" | 24-27 | >635 | 1380 |
| 1 1/4" | 32-34 | >910 | 1360 |
| 1 1/2" | 35-40 | >910 | 1360 |
| 2" | 48-52 | >910 | 1370 |
