Pottery Plaster No. 1 produces break-resistant, smooth wearing molds for slip casting, jiggering, and press molds. The industry standard for making slip casting molds for ceramicware, sanitaryware, dinnerware, and fine china.
Mixing Instructions: Mix 70 parts water to 100 parts plaster. For best results, sift dry plaster into a bucket of water, let sit to soak for 1-2 min and mix thoroughly for 1-2 min. Set time of 14-24 minutes. Store in a dry, stable environment.

See our Safety Data Sheets section under Customer Service for a downloadable copy of the SDS for this product.