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plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.
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History. Plaster was first used as a building material and for decoration in the Middle East at least 7,000 years ago. In Egypt, gypsum was burned in open fires, crushed into powder, and mixed with water to create plaster, used as a mortar between the blocks of pyramids and to provide a smooth facing for places.
Feb 18, 2024 · The Origins of Plaster of Paris. Plaster of Paris has its origins in the Paris Basin, where large deposits of gypsum were found. The production of plaster of Paris involves a process called calcination, where the gypsum is heated to remove the water content and create calcium sulfate hemihydrate.
Apr 17, 2017 · Plaster of Paris (PoP) impregnated bandages have been used to maintain the position of bones and joints for over a century. Classically, wool dressing is applied to the limb before the PoP,...
Oct 16, 2013 · 1. History. The name Plaster of Paris (POP) had its origins from the fact that it was extensively mined from Montmartre in Paris district. But its use predates the industrial revolution, they have been found on the insides of pyramids.
- Hemant Sharma, Dhanasekara Prabu
- 2013
1. History. The name Plaster of Paris (POP) had its origins from the fact that it was extensively mined from Montmartre in Paris dis-trict. But its use predates the industrial revolution, they have been found on the insides of pyramids.
A review of the history of plaster of Paris and its composi- tion, its working properties, and precautions for its use introduces the reader to this oft-forgotten material.
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