Superior product for sanitaryware and dinnerware casting Formulated for long life and reduced breakage Available with or without thermal shock additive
#1 Pottery Plaster
USG Gypsum Hydrocal FGR95 50 Pounds – Evans Ceramic Supply
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5KG NO. 1 POTTERY PLASTER – The Pottery Supply House
USG#1 Potters Plaster (High Strength 20) Plaster for Scenery, Dioramas, Dentistry and Mold Casting Also Great for Model Railroads & Gaming … (10 Pounds) : Arts, Crafts & Sewing
Plaster pottery #1 50lb bag - The Potter's Shop
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USG Dental Plaster Regular 101890
USG No.1 Pottery Plaster General Plaster - Shipping Canada & USA
Superfine Casting - The Compleat Sculptor
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Pottery Plaster #1 Seattle Pottery Supply