... box resistance, tube furnace, vacuum furnace, hot-pressing furnace, sintering furnace, etc. It can work under oxidizing atmosphere, vacuum condition, inert gas conditions and reducing ... -860B8603028018300 Diboride Zirconium (ZrB2) Composite Ceramic Heating Element heating element theory 100-2600 C Diboride Zirconium (ZrB2) Composite Ceramic Heating Element for Muffle Furnace