How Do You Use Plaster Of Paris Molds?
Plaster of Paris is made from gypsum rock that changes from a solid form into a powder and back to a solid quite easily by adding water. It is a popular medium for arts and craft projects requiring molds. Be sure to cover your work area with plastic or newspapers for easy clean-up and wear old clothes. Casting plaster gets messy. Have all your tools close at hand. Choose your molds. Candy molds, or molds made specifically for plaster casting are fine. Plastic molds work great. You’ll need to start with clean molds with no residue from other castings. Make sure the mold is dry, as water slows down the setting process. If you’ve never worked with plaster of Paris before, start with a smaller mold so you can perfect the process. Follow mixing directions that came with your plaster of Paris. Using cool water will keep the plaster from hardening too quickly. A good rule of thumb for proper consistency is cake batter thick. Too thick and the plaster may start to harden before you’re ready. I
