what is dead burnt plaster
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when gypsum is heated in 373 degree Celsius the burnt plaster is called burnt plaster
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Dead burnt plaster is calcium sulphate. It is obtained by heating gypsum. It is then pulvarised to form a powder. ... Heating takes out all the water and a crystallised anhydrous gypsum or plaster of Paris (POP) or dead burnt plaster is obtained.
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