Small batches require less soaking than large batches. The plaster should be fully dispersed in the water prior to Handfuls of plaster directly into the water. Sift or strew the USG pottery plaster into water slowly and evenly. Ratio is critical because it governs both the strength and the Weigh both the pottery plaster and water for each mix. The higher the temperature of the water, the shorter the set time. Temperature produce variations in setting time, it is important to keepīoth the plaster and water in a stable temperature environment prior to Since variations in slurry (the plaster and water mixture) Gypsum Pottery Plaster: Use potable water at temperatures between 70° and 100° F (21° and 38° C). Gypsum Pottery Plaster General Directions and Guidelines Gypsum Pottery Plaster is a relatively soft plaster which may be used for carving.Ĭonsistency (parts of water by weight per 100 parts plaster ) Plaster bats, wedging boards, and working molds. The standard of the industry - this is the best materialĪvailable for sanitaryware and dinnerware casting. POTTERY PLASTER is highly uniform, noted for outstanding performanceĪnd long life. – Available with or without thermal shock additive. – Formulated for long life and reduced breakage (stronger molds). – The best material available for sanitaryware and dinnerware casting.
This equals 4.17 gallons water per 50 pounds dry potteryĥ0lb Bag U.S. USG Pottery Plaster Mix For Wedging Tables:įor wedging boards or tables mix 70 parts of water to 100 parts USG pottery plaster.
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