define dead burnt plaster
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It is formed when gypsum is heated at 400k...
It does not have the property of hardening............ Hope it helps you dear...
It does not have the property of hardening............ Hope it helps you dear...
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heya!!!
When plaster of Paris CaSO4.1/2 H2O is heated above 393 K, its water of crystallisation is lost and anhydrous Calcium sulphate is left that is known as a dead burnt plaster.
thanks:-))
When plaster of Paris CaSO4.1/2 H2O is heated above 393 K, its water of crystallisation is lost and anhydrous Calcium sulphate is left that is known as a dead burnt plaster.
thanks:-))
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