Thank you to our Guangxi customer for choosing our 1800 degree muffle furnace Xinhan instrument. The 1800 degree can be used for processing various workpieces such as gemstones, ceramics, gold, silver, copper, etc. It is widely used in various industries.Muffle furnace, Muffle means package, furnace means furnace, melting furnace. The common names for muffle furnaces in China are as follows:electric furnaceResistance furnace, Maofu furnaceFurnaceThe muffle furnace is a universal heating device, which can be divided into box furnace, tube furnace, and crucible furnace according to its appearance and shape.