Construction Industry:
Plaster and Drywall: The most common use of gypsum (hydrated calcium sulfate) is in the production of plaster, drywall, and plasterboard, which are key materials in construction.
Cement Manufacturing: Anhydrite calcium sulfate is used in cement production as a setting regulator.
Agriculture:
Soil Amendment: Calcium sulfate is used as a soil conditioner to improve soil structure and provide essential calcium and sulfur for plants.
Fertilizer: It is also used in fertilizers for crops that need sulfur.
Food Industry:
Food Additive: Calcium sulfate is used as a food additive, often labeled as E516, in products like tofu, as it helps in curdling soy milk.
Medical Uses:
Orthopedic Casts: Plaster of Paris, which is made from calcium sulfate, is used in medical casts to immobilize broken bones.
Calcium Supplement: In certain cases, calcium sulfate may be used as a source of calcium in dietary supplements.
Water Treatment:
Flocculant: Calcium sulfate is sometimes used in water treatment processes as a flocculant to help remove impurities.