Shanghai Dingwujin Chemical Co., Ltd. is one of the leading manufacturers and suppliers of calcium sulphate in China. We are committed to the chemical distribution across Central & Eastern Europe and Ukraine. We warmly welcome you to wholesale customized calcium sulphate made in China here from our factory.
Calcium Sulphate
Introduction
Characteristics
|
Molar Weight |
172.17 g/mol (dihydrate) |
|
Melting Point |
1,460°C (anhydrous) |
|
Flash Point |
non flammable |
|
Density |
2.32 g/cm3 (dihydrate) |
|
Forms |
Powder, White, Solid |
Product Grades
Food grade
CaSO₄≥ 98% (on anhydrous basis); strict limits on heavy metals and loss on drying. Used as a coagulant for soy products, flour treatment agent and texturiser.
Pharmaceutical grade
CaSO₄≥ 99.0% (on ignited basis); stringent requirements for pH, heavy metals (≤ 0.001%) and arsenic (≤ 0.001%). Used as a diluent and filler in pharmaceutical formulations.
Industrial grade
Purity 90%–95% (some high-purity products up to 99%). Used in cement retarders, plasterboard, ceramic moulds and soil conditioners.
Standard stock items are industrial grade. For special-grade orders, please contact us for full documentation.
Uses and applications
Key applications
- Food Additive
- Oil and Gas
- Agricultural
- Pharmaceuticals
- Animal Feed
- Cosmetic Products
- Building & Construction Products
Industries
- Beauty & Personal Care
- Agriculture
- Pharma
- CASE & Construction
- Energy Services
- Food & Nutrition
- Animal Nutrition
Calcium Sulfate Used in the Food Industry
Food‑grade calcium sulfate is commonly utilised as a coagulant for tofu production. It also functions as a flour‑treatment agent, dough conditioner, texture enhancer for canned products, and water‑hardening agent in brewing processes.


Calcium Sulfate Used in the Pharmaceutical Industry
Pharmaceutical‑grade calcium sulfate is utilised as a raw material for the production of bone‑defect filling products, fracture‑fixation components and dental modelling materials.
Calcium Sulfate Used in the Construction Industry
Calcium sulfate – the primary raw material for plasterboard, gypsum blocks and gypsum mouldings. Offers fire resistance, sound insulation and thermal insulation properties.


Calcium Sulfate Used in the Agriculture Industry
Calcium sulfate used as a soil conditioner to reduce soil alkalinity and supply calcium and sulfur.
Calcium Sulfate Used in the Rubber Industry
Calcium sulfate used as a reinforcing filler in rubber, improving tensile strength, heat resistance and dimensional stability.


Calcium Sulfate Used in the Laboratory
Anhydrous calcium sulfate commonly used in the laboratory as an efficient desiccant.


