Pottery Plasters

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USG Pottery Plaster is great for all types of ceramic slip casting applications. Pottery plaster is formulated for long life and reduced breakage (stronger molds).
US Gypsum HYDRO-STONE is one of the hardest and strongest of all gypsum cements. Ideal for pouring solid models. Recommended where extreme surface hardness is required. Slightly higher setting and expansion than ULTRACAL 30.
High-strength gypsum cement having low setting expansion. For production on hard, strong, tough models of uniform and stable dimensional accuracy. Used for production of master models. Recommended for slurry casting technique.