High Quality Content by WIKIPEDIA articles! Resin casting is a method of plastic casting where a mold is filled with a liquid synthetic resin which then hardens. It is primarily used for small scale production like industrial prototypes and dentistry. It can be done by amateur hobbyists with little initial investment, and has been appropriated for the production of collectible toys, models and figures, as well as small scale jewelry production. Most commonly a thermosetting resin is used that polymerizes by mixing with a curing agent at room temperature and normal pressure. The synthetic resins used include polyurethane resin, epoxy resin, unsaturated polyester resin and silicone resin. Epoxy resin has a lower viscosity than polyurethane resin and polyester resin shrinks quite a bit while curing.

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