Research Article
Effect of Ball Milling Time on the Performance of Phosphorous Building Gypsum
Table 3
Comparison of the effect of ball-milling treatment and other treatment methods.
| Performance index | Here | [9] | [9] | [18] | [19] | [23] |
| Treatment methods | Ball milling | Ball milling and sieving | Ball milling and washing | Ball milling | Ball milling and aging | Aging | The water consumption of normal consistency (%) | 60 | 80 | 74 | 68 | 76 | 82 | Initial setting time (min) | 4.5 | 3.5 | 5 | - | 8 | 9.5 | Final setting time (min) | 8.87 | 6 | 7.5 | - | 13 | 15.5 | Flexural strength at 2 h (MPa) | 3.41 | 2.55 | 2.61 | 2.39 | 2.28 | 2.21 | Compressive strength at 2 h (MPa) | 7.78 | 4.62 | 5.53 | 5.47 | 4.06 | 4.43 |
|
|