USG
Pottery Plaster #1, 5 lbs
$6.20
Item #: PP5
Sold in 5 pound increments
Also sold by the pound here.
No. 1 Pottery Plaster is the industry standard for making slip casting molds for ceramicware, sanitaryware, dinnerware, and fine china. With a dry set strength of 2000 PSI it produces break-resistant, smooth wearing molds for slip casting, jiggering, and press molds.
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.
Vicat set time of 14-24 minutes
Store in a dry, stable environment
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