Plaster of Paris

Abstract

Plaster of Paris which is calcium sulphate with half molecule of water of crystallization (CaSo4.½ H2 o) and hygroscopic characteristics obtained by duly calcined the raw material i.e. Gypsum (CaSo4 2H2o). It possesses outstanding property of setting and subsequent hardening when mixed with water. Plaster of Paris is extensively used in ceramic industry for preparation models and moulds. It is also used as main raw material in the manufacture of toys & statues, chalk crayons, gypsum plaster boards, and decorative picture frames besides wide range of applications in the interior decoration of buildings and other establishments.