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Home > Resources > Glossary > Definitions - M > Mould


Most commonly, a hollow (negative) container used in the casting process. Plaster is the most traditional material for molds, though they may also be made of latex, rubber or gelatin. Also, a form over which materials such as molten glass and leather-hard ceramics are draped to shape them. 1. Usually a plaster form, single or multi-pieced, which will be used to reproduce any number of accurate copies of the original model in clay or plaster. 2. In papermaking, a type of tray, made with wire mesh in a wooden frame, over which the paper pulp is spread. In fine art and manufacturing, a cavity into which a fluid, such as metal or plastic is poured, which hardens, to produce the desired finished piece.


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