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How to Reconstitute Plaster of Paris

Plaster of Paris can be used to create a wide variety of arts and crafts projects such as sculptures, castings and molds. Often, plaster of Paris is costly and is usually only used once. Fortunately, there is a way to reconstitute used plaster of Paris, enabling you to reuse it again and again. To reconstitute plaster of Paris effectively, it is important to follow a few necessary guidelines that will ensure that the plaster will reconstitute properly.

Things You'll Need

  • Plaster of Paris sculpture Dust mask Protective goggles Rubber gloves Rough-grain sandpaper Bowl Spoon Water
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Instructions

    • 1

      Put on a dust mask, rubber gloves and protective goggles to protect your lungs, skin and eyes from the plaster of Paris dust.

    • 2

      Place a large bowl underneath your plaster sculpture.

    • 3

      Hold your plaster of Paris sculpture in one hand, and use the other hand to rub rough-grain sandpaper over the sculpture. Use small, circular motions with the sandpaper.

    • 4

      Move the sandpaper around the plaster so that the grains effectively grind down the plaster into usable plaster of Paris powder.

    • 5

      Once you have about 3 cups of plaster of Paris powder in your bowl, add 1 cup of water into it.

    • 6

      Stir the mixture well with a spoon, and use it for your arts and crafts projects.

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Sculpture

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