Cement grade gypsum is used primarily in cement manufacturing plants.
CEMENT GRADE SPECIFICATIONS
| F.H20 (%w/w) | 5% Max |
| C.H20 (%w/w) | N/A |
| Purity (%w/w) | 92% Min |
| Soluble Salt (w/w) | N/A |
| NaCl – Mohr | 0.4% Max |
PARTICLE SIZE (%w/w)
| + 25mm | 10% Max |
| + 12.5mm | 5% Min |
| + 2.4mm | 40% Min |
| + 150 microns | 80% Min |