| Water absoprtion, % by weight | | | 1.82 | C-97 |
| Density (Bulk specific gravity) | | | 2.36 | C-97 |
| Modulus of rupture, N/mm^2 | Dry | Parallel to rift | 16 | C-99 (Guidelines) |
| Perpendicular to rift | 9 | C-99 |
| Wet | Parallel to rift | 13 | C-99 (Guidelines) |
| Perpendicular to rift | 8 | C-99 |
| Compressive Strength N/mm^2 | Dry | Parallel to rift | 115 | C-170 |
| Perpendicular to rift | 108 |
| Wet | Parallel to rift | 106 |
| Perpendicular to rift | 91 |
| Abrasion (Resistance to wear) | Average wear, mm | | 2.9 | IS 1234 Guidelines |
| Max. wear on individual Specimen, mm | | 3.1 |
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