Slipcasting

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Slipcasting

Methods of Forming with Clay.

We're most familiar with un-fired clay in the moist or "Play Dough" state. But if we consider the fired clay objects we encounter in our lives, most are formed from either liquid clay (slip) or dry clay powder.
Slip casting is commonly used to mass-produce the low-cost dishware and pottery (vases, flower pots, knickknacks...) we have all around us. Even toilets are cast from dense porcelain. Slip is poured into plaster molds which absorb moisture from the clay at the surface of the mold. This clay solidifies to form the cast piece. After the excess slip is poured from the mold, the piece is allowed to partially dry and then removed from the mold.

   

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