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| Customization: | Available |
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| Stone Form: | Round |
| Surface Finishing: | Porous |
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Performance Index | Unit | Test Data |
Density | g/cm³ | 2-3 |
Bulk density | g/cm³ | 0.85 |
Moisture content | % | 0.9-1.0 |
Poriness | % | 73-82 |
Cod removal | % | More than 80 |
COD removal rate | % | More than 85 |
BOD removal rate | % | 75-93 |
Ammonia removal | % | More than 85 |
Specific surface area | cm²/g | 18.2×104 |
Compressive strength | Mpa | 5.78 |
Shear strength | Mpa | 3.98 |
Attrition rate | % | <1 |
The start time of biofilm formation | h | 27 |
Solubility of HCl | % | <1.0 |
Dissolution content | Slightly contains beneficial minerals and trace components | |
Appearance | Plump granules, similar to spherical shapes |






