The JDPN Glossary for the Jewelry Industry
CASTING TERMINOLOGY 

Centrifugal - Casting technique in which the molten metal is forced into the mold by centrifugal force. 
Cuttlefish - The bone of a small squid called a cuttlefish, one can often find them on beaches. The material is porous and soft, cutting easily and able to take the heat of casting simple forms in silver or gold. A simple form of casting often used for small workshops. 
Injection Wax - Wax used to inject into molds for casting. 
Rubber Mold - For casting of alloys with a low melting point, such as tin alloys used in costume jewelry. This process eliminates the need for investment and burnout which is necessary with metals with a higher melting point, such as silver, gold and platinum. 
Vacuum Casting - Casting technique in which the molten metal is forced into the mold by vacuum pressure. 
Wax - Replica of a piece of jewelry in hard wax. 
Wax Tree - A method of setting up multiple waxes for casting, involving the waxes to be attached to a central wax core which then goes into the casting investment. 

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