High-purity calcium sulfate dihydrate sourced directly from premium quarries.
o Applications: Essential for the cement industry (as a set retarder), plasterboard production.
o Supply: Available in bulk shipments for industrial-scale requirements, ensuring compliance with international construction standards
GYPSUM SPECIFICATIONS
Chemical Specifications
Sulfur Trioxide (SO₃):not less than 42%.
Calcium Sulfate (CaSO₄ꞏ2H₂O):purity usually 90%.
Magnesium Oxide (MgO):less than 2%.
Chlorides (Cl⁻):max. 0.02%.
Carbon Dioxide (CO₂):less than 2.5%.
Physical Properties
Size:0-60 mm.
Free Moisture:max. 5%.
Grade Size:
Size 10-60 mm85% - 90% of the total shipment.
Size ≤ 2 mm and ≥60 mm10% - 15% of the total shipment
Natural Gypsum (Lump)
ParameterSpecification / Range
Purity (CaSO₄ · 2H₂O)90% - 95%
Sulfur Trioxide (SO₃) 42% - 45%
Chlorides (Cl⁻)< 0.01%
Size (Lump)0 - 50 mm






