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

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 The name "plaster of Paris" was given because it was originally made by heating gypsum from a large deposit at Montmartre, a hill in ...

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

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   Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder, which hardens when moistened and allowed to dry. Given that it does not generally shrink or crack when dry, it is an excellent medium for casting molds. Learn more about how plaster of paris is prepared, its uses, and history.

   • Author: The Editors of Encyclopaedia Britannica

3. alsyedconstruction.com › understanding-plaster-ofUnderstanding Plaster of Paris (POP) in Building Construction

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   Mar 19, 2024 · Plaster of Paris (POP) is a versatile building material that has been used for centuries in construction and interior design. Its name originates from the abundant gypsum deposits in Paris, France, where it was extensively mined.

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

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   Feb 18, 2024 · Key Takeaways: Plaster of Paris is a gypsum-based casting material used for sculpting and creating orthopedic casts. Its ability to harden quickly when mixed with water makes it ideal for various art and craft projects. Plaster of Paris has a long history of use in construction, art, and medicine.

5. People also ask

   What is plaster of Paris?

   • Plaster of Paris is a fine white powder primarily composed of gypsum (calcium sulfate dihydrate). When mixed with water, it undergoes a chemical reaction to form gypsum plaster (calcium sulfate hemihydrate), which quickly sets and hardens.

   Understanding Plaster of Paris (POP) in Building Construction

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   What is plaster of Paris hemihydrate?

   • 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.

   Plaster of Paris | Formula, Properties & Application

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   Is plaster of Paris gypsum or calcium sulfate hemihydrate?

   • Plaster of Paris has many properties that make it useful in a wide range of applications, and its versatility has made it a favorite material among artists, builders, and medical professionals alike. The chemical composition of plaster of Paris is calcium sulfate hemihydrate, which means that it contains about half as much water as gypsum.

   The Science of Plaster of Paris: How It Works and Why It's So Versatile

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   What is the chemical composition of plaster of Paris?

   • The chemical composition of plaster of Paris is calcium sulfate hemihydrate, which means that it contains about half as much water as gypsum. When mixed with water, the hemihydrate crystals dissolve and rehydrate to form the dihydrate crystals, which are then deposited as interlocking crystals.

   The Science of Plaster of Paris: How It Works and Why It's So Versatile

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

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   Chemical Composition. 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.

7. en.wikipedia.orgPlaster of paris - Wikipedia

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   Language links are at the top of the page across from the title.

8. Videos

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9. www.gypsonaplaster.com › the-science-of-plaster-ofThe Science of Plaster of Paris: How It Works and Why It's So ...

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   Mar 24, 2023 · Plaster of Paris, also known as POP, is a material that has been used for centuries in a variety of applications. It is a type of gypsum plaster that is made by heating gypsum to a high temperature and then grinding it into a fine powder.