Research Article
Properties of Calcium Acetate Manufactured with Etching Waste Solution and Limestone Sludge as a Cementitious High-Early-Strength Admixture
Table 3
Physical properties of ordinary Portland cement (OPC).
| | Specific gravity | Blaine specific surface (cm2/g) | Setting time | Compressive strength of mortar (MPa) | | Initial set (min) | Final set (hour) | 3 days | 7 days | 28 days |
| | 3.15 | 3400 | 400 | 7 | 20 | 23 | 38 |
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