Pottery plaster is important both as an ingredient and as a working mold medium. From whiteware and sanitaryware to artware and statuary, from insulators and stoneware to special refractories, the versatility of gypsum is a valued resource. Without gypsum to shape and dewater the clay, slipcasting, jiggering and pressing operations would not be nearly as effective. To a lesser degree, the same could be said for our tooling plasters used in models, case molds and block molds – its secondary application.
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