Ceramic mold casting, also known ambiguously as ceramic molding, is a group of metal casting processes that use ceramics as the mold material. It is a combination of plaster mold casting and investment casting. There are two types of ceramic mold casting: the Shaw process and the Unicast process.
These casting processes are commonly used to make tooling, especially drop forging dies, but also injection molding dies, die casting dies, glass molds, stamping dies, and extrusion dies.
... The main advantages of ceramic molds are a reusable pattern (the item used to create the shape of the mold), excellent surface finish, close dimensional tolerances, thin ... can be made from wax in conjunction with a standard pattern essentially using investment and ceramic mold casting techniques together ... effective for small- to medium-sized production runs and the ceramic is not reusable ...
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