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Physical properties of cement, SF, CRHA, and FRHA.
| Physical Properties | Cement | SF | CRHA | FRHA |
|---|---|---|---|---|
| Specific gravity | 3.12 | 2.8 | 2.32 | 2.61 |
| Surface area (m2/g) | 0.34 (Blain) | 21.08 (BET) | 19.4 (BET) | 23.6 (BET) |
| Mean particle size, d50 (m) | 12 | 5.11 | 9.49 | 5.69 |
Note: CRHA: RHA with 5 min grinding; and FRHA: RHA with 30 min grinding.
