... temperature box resistance, tube furnace, vacuum furnace, hot-pressing furnace, sintering furnace, etc. It can work under oxidizing atmosphere, vacuum condition, inert gas conditions ... under oxidation atmosphere100-1900°CMaximum surface temperature under vacuum, inert gas and reducing conditions2600°CLong-term working ... Diboride Zirconium (ZrB2) Composite Ceramic Heating Element for Muffle Furnace