Calcium Sulfate (Plaster/ gypsum/ anhydrite)

Calcium sulfate is universally added to cement to control the rapid ‘flash set’ and the initial rate of reaction. Bisley supplies calcium sulfate in a number of forms: anhydrite, natural or synthetic and hemihydrate, alpha or beta. All forms have chemical differences, which changes the properties of the calcium sulfate itself, and therefore the final concrete product. 

Please select a product from the list below for more specific information. 

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