
| CONSTITUENTS % | REQUIRED |
|---|---|
| Purity as CaSO4,2H2O (SO3) | Min 92 % |
| Free Moisture | Max 2 % |
| Sulphate – SO3 | 42.80 % |
| Size | 50–100 mm – 90 % |

| CONSTITUENTS % | REQUIRED |
|---|---|
| Purity as CaSO4,2H2O (SO3) | Min 91 % |
| Free Moisture | Max 2 % |
| Sulphate – SO3 | 42.32 % |
| Size | 20–50 mm – 90 % |

| CONSTITUENTS % | REQUIRED |
|---|---|
| Purity as CaSO4,2H2O (SO3) | Min 9 % |
| Free Moisture | Max 2 % |
| Sulphate – SO3 | 42.32 % |
| Size | 05–25 mm – 90 % |

| CONSTITUENTS % | REQUIRED |
|---|---|
| Purity as CaSO4,2H2O (SO3) | Min 90 % |
| Free Moisture | Max 2 % |
| Sulphate – SO3 | 41.90 % |
| Size | 00–50 mm – 90 % |

| CONSTITUENTS % | REQUIRED |
|---|---|
| Purity as CaSO4,2H2O (SO3) | Min 90 % |
| Free Moisture | Max 2 % |
| Sulphate – SO3 | 41.90 % |
| Size | 00–20 mm – 90 % |

| CONSTITUENTS % | REQUIRED |
|---|---|
| Purity as CaSO4,2H2O (SO3) | Min 85 % |
| Free Moisture | Max 2 % |
| Sulphate – SO3 | 35.94 % |
| Size | 00–05 mm – 90 % |