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

    Oct 16, 2013 · Plaster of Paris is calcined gypsum (roasted gypsum), ground to a fine powder by milling. When water is added, the more soluble form of calcium sulphate returns to the relatively insoluble form, and heat is produced [2 (CaSO 4 .½ H 2 O) + 3H 2 O → 2 (CaSO 4 .2H 2 O) + Heat].

    • Hemant Sharma, Dhanasekara Prabu
    • 2013

  4. 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.

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

    Dec 15, 2007 · 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.

  6. asht.org › sites › ashtPlaster of Paris

    WHY PLASTER OF PARIS? Plaster of Paris, a highly compliant material, is often overlooked in the splinting of hand patients. This article enumerates the advantages of plaster of Paris and illustrates its application in specific clinical situations. This information is intended to encourage therapists to introduce plaster of Paris more readily

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  8. 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.

  9. avantarte.com › glossary › plaster-of-parisWhat is Plaster of Paris? | A guide to art terminology

    Plaster of Paris is a quick-setting gypsum plaster comprising a finely ground white powder, which solidifies when mixed with water. Plaster of Paris is renowned for its minimal tendency to shrink or crack upon drying, making it an ideal medium for crafting moulds.

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