JC 220V Small Automatic Digital Melting Jewellery Casting Furnace JIUCHEN Jewellery Casting Furnaces are a line of compact electric furnaces for melting metals. They are designed to be hand-held for easy pouring of the metal directly from the furnace. This makes them ideal for use in casting, reclaiming, alloying and refining metals. Jewellery Casting Furnaces are automatic and feature electronic controllers for extremely precise melting of metal, including high-karat gold. The electronic feature regulates the temperature by providing full power input to the furnace until a selected temperature is attained. Maximum temperature 1200ºC/2192ºF.