Gypsum
High-purity natural gypsum for cement and plaster
Pakistan holds some of the world’s largest and purest gypsum reserves, concentrated in the Salt Range and Kohat regions. Grainpak supplies natural gypsum lumps and crushed grades with purity levels that consistently exceed 90%.
Our gypsum serves cement plants, plaster-of-Paris producers, gypsum board manufacturers, and agricultural users across Asia and Africa, shipped in bulk or bagged to requirement.
Available forms
Specifications
| Parameter | Specification |
|---|---|
| CaSO₄·2H₂O (Purity) | 90 – 96% |
| SiO₂ | 2% max |
| Moisture | 1% max |
| Whiteness | 85%+ (select grades) |
| Size | Lumps / crushed / per buyer spec |
Specifications can be tailored to buyer requirements — share your target spec when requesting a quote.
Frequently asked questions
What purity is Pakistani gypsum?
Natural gypsum from Pakistan’s Salt Range and Kohat deposits typically assays 90–96% CaSO₄·2H₂O, placing it among the purest natural gypsum commercially available.
What industries use natural gypsum?
Cement manufacturing (as a setting retarder), plaster of Paris, gypsum board and ceiling products, and agriculture (as a soil conditioner) are the primary consumers.
More from the minerals division
Chromite Ore
Metallurgical-grade chrome ore from Pakistani mines
Silica Sand
Washed and graded silica for glass and foundry
Rock Salt
Pink Himalayan salt from the legendary Khewra range
Ready to source with confidence?
Tell us your specification, destination, and volume — we respond within one business day with a firm offer.