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Composi Stone Hard Plaster 1 lb.

Description

This plaster/cement system uses a dry mix and water at a ratio of 2.5 parts powder to 1 part water; and not less than 2 parts powder to 1 part water by weight or volume. It solidifies to a beautiful light gray color. The texture is similar to a cement feel, but much smoother in appearance. Composi-Stone is ideal for lawn and shelf ornaments, sculptures, craft parts, and other general applications.

  • Mixing: Measure between 2-2.5 parts dry mix to 1 part water by volume into a mixing container such as a plastic cup or bucket. For better accuracy, the components can be weighed. The mixing ratio by weight is 2 parts mix to 1 part water. Start mixing immediately and be sure to scrape the material off the sides of the mixing container. Mix until all parts are mixed up and there are little to no lumps.

 

  • Pouring: After thorough mixing, pour the mix into the ComposiMold mold cavity. Using a ratio of 2:1 by volume will result in an easier pour, but a longer cure time.  The resin will begin to cure and solidify within 5 to 10 minutes depending on the temperaturein and the amount of water that was used. Wait approximately 3-4 hours before removing the part from the ComposiMold mold. Less time may deform the part. It fully cures in 24 hours.

 

  • CleaningTo improve clean up after using the Composi-Stone Mix, rub some vegetable oil on the mold. Tools and equipment should be scraped clean prior to the mix curing and hardening.

 

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