Hambolt Ash Grinding Mill

Gypsum powder hydrous calcium sulfatecalcium dehydrate or caso42h2o is a white, smooth powder that is derived from heating gypsum stone.when gypsum is heated in air it loses water and converts first to calcium sulfate hemihydrate, bassanite, often simply called plaster and, if heated further, to anhydrous calcium sulfate anhydrite. stucco is applied wet and hardens to a very dense solid.

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