Calcium chloride is also used in mining operations for the stabilization of the unpaved haulage roads, as its application improves the strength of the road surface. Apart from keeping the dust level down, its use also substantially reduces the overall road maintenance cost.
| Item | Specifications | ||||
|---|---|---|---|---|---|
| Calcium Chloride Anhydrous | Calcium Chloride Dihydrate | ||||
| calcium chloride(as CaCl2) %≥ | 94 | 92 | 90 | 77 | 74 |
| magnesium & alkali metal chloride(as NaCl) %≤ | 4.0 | 4.0 | 4.0 | 3.5 | 3.5 |
| sulphate(as SO42-) %≤ | 0.25 | 0.25 | 0.25 | 0.2 | 0.2 |
| alkalinity (as Ca(OH)2) %≤ | 0.25 | 0.25 | 0.25 | 0.2 | 0.2 |
| water insoluble %≤ | 0.2 | 0.2 | 0.25 | 0.1 | 0.1 |
