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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.
      www.britannica.com › technology › plaster-of-paris

      Plaster of paris | Definition, Uses, & History | Britannica

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  3. www.britannica.com › technology › plaster-of-parisPlaster of paris | Definition, Uses, & History | Britannica

    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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  4. www.artmolds.com › blogs › mold-makingThe history, development and applications of Plaster of Paris

    Feb 18, 2024 · 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.

  5. pediaa.com › what-is-the-difference-between-gypsumWhat is the Difference Between Gypsum and Plaster of Paris

    May 9, 2024 · by Hasini A. 6 min read. Gypsum and plaster of Paris are both related materials used in construction and art, but they differ in terms of composition and how they are used. Gypsum is a naturally occurring mineral that is mined from the earth, while plaster of Paris is a fine powder made from heating gypsum.

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  7. en.wikipedia.org › wiki › PlasterPlaster - Wikipedia

    Gypsum plaster (plaster of Paris) Gypsum plaster, also known as plaster of Paris, is a white powder consisting of calcium sulfate hemihydrate. The natural form of the compound is the mineral bassanite. Etymology. The name "plaster of Paris" was given because it was originally made by heating gypsum from a large deposit at Montmartre, a hill in ...

  8. timesofindia.indiatimes.com › Why-is-the-plasterWhy is the plaster of Paris called so? - Times of India

    Dec 15, 2007 · AA. Follow us. It wasn't used on a large scale until 1700s, when it was required to be used in all construction in Paris and hence, the name. Why is the plaster of Paris called so? Plaster is the common name for calcium sulphate hemi hydrate made by heating the mineral gypsum, the common name for sulphate of lime.

  9. www.ncbi.nlm.nih.gov › pmc › articlesPlaster of Paris: Past, present and future - PMC

    Oct 16, 2013 · 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.

  10. material-properties.org › plaster-of-parisPlaster of Paris | Formula, Properties & Application

    Plaster of Paris is considered environmentally friendly due to its main component, gypsum, which is a naturally occurring mineral. In certain forms, gypsum can be recycled endlessly without losing its properties.

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