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  2. 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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      For especially hard finish plaster, the gypsum is completely...

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      Fibreglass, fibrous form of glass that is used principally...

  3. 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 The name "plaster of Paris" was given because it was originally made by heating gypsum from a large deposit at Montmartre, a hill in ...

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

    Dec 15, 2007 · Thus, during the early 18th century, Paris became the centre of plaster production, and hence the name, plaster of Paris. Sunday Times News: It wasn't used on a large scale until 1700s, when it ...

  6. 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.

  7. 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.

    • Hemant Sharma, Dhanasekara Prabu
    • 2013

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

    Scientifically known as Calcium Sulfate Hemihydrate, Plaster of Paris is chemically represented as CaSO 4 .1/2H 2 O. This represents the ratio of calcium sulfate to water, suggesting that for each molecule of calcium sulfate, there is half a molecule of water.

  9. recipes.hypotheses.org › 8739What’s in a name: Plaster of Paris | The Recipes Project

    Jan 5, 2017 · Entrance to the Montmartre gypsum quarry. Probably early 19th century, artist unknown. As this fragment suggests, plaster of Paris indeed derives its name from a large and very pure gypsum deposit at the Montmartre and Menilmontant hills in Paris – there were plaster quarries at this site at least as early as the year 500.

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