... applicationApply to graphite furnace, molybdenum wire furnace, tungsten coil furnace, oxidizing furnace, vacuum furnace, gas furnace.Apply to melting furnace, steel furnace, reacting furnace, induction furnace, various high ... furnace50mm, 80mm, 110mmDiameter of protective pipe16mm, 25mmThickness of furnace wall200mm, 250mm, 300mmAtmosphere environmentsoxidizing atmosphere, vacuum, inert gasAssistant ...