USG No. 1 Pottery Plaster is engineered for absorbent ceramic working molds rather than high-strength finished gypsum castings. It is the appropriate choice for pottery and ceramic slip casting, jiggering, production molds, plaster bats and similar studio applications where controlled absorption and mold life matter. For finished decorative gypsum objects, compare Hydrocal White or Hydro-Stone instead. Browse the full USG Plaster & Gypsum Cement collection.

50 LB

Main Features

No. 1 Pottery Plaster produces a break-resistant, smooth wearing mold designed for slip casting and jiggering applications. No. 1 Pottery Plaster:

• Is formulated to provide stronger, longer-lasting ceramic slip cast molds
• Is the industry standard for sanitaryware and dinnerware casting
• Has a recommended use consistency by weight of 70 parts water to 100 parts plaster
• Has a standard machine mix Vicat set of 14-24 minutes

NOTE — For best results, store indoors in a dry, stable environment, away from drafts. Do not stack more than two pallets high.