Gypsum
Gypsum (calcium sulfate dihydrate) is used primarily in cement production as a set retarder and in plasterboard/drywall manufacturing. Natural gypsum is mined from evaporite deposits, while FGD (flue gas desulfurization) gypsum is a byproduct of coal-fired power plants. Oman, Thailand, and Spain are major exporters.
- Natural Lump (90%+ purity)
- Natural Powder
- FGD Gypsum
- Plaster Grade
- FOB
- CFR
- CIF
Gypsum, in brief.
- Common origins
- Oman
- Thailand
- Spain
- Iran
- Australia
- Common destinations
- India
- Bangladesh
- Indonesia
- Japan
- South Korea
- Grades and specifications
- Natural Lump (90%+ purity)
- Natural Powder
- FGD Gypsum
- Plaster Grade
- Incoterms
- FOB
- CFR
- CIF
- Unit of measure
- Metric Tons
Trading Gypsum
Find the companies that produce, trade and buy Gypsum in the CTX Directory, post RFQs and offers with the grade, quantity and delivery terms you need, and run each deal through milestones that follow the incoterm. Verified members are marked, and every member carries a trust score.
Who trades Gypsum?
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Related market pages.
- Portland CementPortland cement is the most common type of cement, produced by grinding clinker with gypsum to control setting time. OPC (Ordinary Portland Cement, Type I/CEM I) is the standard construction grade. Cement is heavy and low-value-per-ton, so trade is typically regional, though bagged cement exports to island nations and Africa are significant.
- ClinkerClinker is the semi-finished intermediate product of cement manufacturing, formed by heating limestone and clay in rotary kilns at 1,450 degrees Celsius. It is exported to markets where grinding capacity exists but kiln capacity is insufficient. Japan, Thailand, and Turkey are major clinker exporters.
- LimestoneLimestone (calcium carbonate) is a fundamental industrial mineral used in cement manufacturing, steel production (as flux), glass making, and soil conditioning. High-calcium limestone (95%+ CaCO3) is required for cement and chemicals, while lower grades serve construction aggregate markets.
- Sand (Silica)Silica sand (SiO2 95%+) is a high-purity industrial sand used in glass manufacturing, foundry casting, water filtration, hydraulic fracturing (frac sand), and silicon production. Quality is determined by silica content, grain size distribution, and iron oxide levels.
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