Definición

• Ceramic Mold.  A mold for a cast item in which a highly heat-resistant investment of molten sand is used. The surface of the mold is almost glass-like in smoothness; the casting from such a mold is likewise smooth. A ceramic mold is used to eliminate the porosity typical of other forms of casting.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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