Description
White Gypsum is synthetic gypsum precipitated by the neutralization of sulphuric acid. This consists of finely distributed calcium sulphate particulate matter.
Application
White Gypsum is used as an additive in cement, for soil conditioning and in fertilizer application. In the construction industry, gypsum is primarily used as a binder in gypsum plaster boards, gypsum fibre boards, and plaster blocks.
Chemical name
Calcium sulfate dihydrate – CaSO4.2H2O
HS Code- 25202090
CHARACTERISTICS / CHEMICAL COMPOSITION
| Characteristics | Requirement | Typical result |
| Colour | Off white- Pale yellow | Pale yellow |
| PH (20% Slurry in water) | >5.0 | 5.9 |
| Purity as CaSO4.2H2O | 85 %min | 96 % |
| Total Iron | <2 % | 0.2 % |
| Moisture | 15% max | 15 % |