... the best choice for the all kinds of high temperature furnace. They can easily withstand even the ... according to drawingSurface finish : < Ra3.2 shining furnaceWorking temperature: 1500 ~ 2600 In Vacuum or deoxidize atmosphereProduce Method ... growth furnace, metallurgical industry furnace, vacuum furnace, high temperature furnace, silicon industry furnace, quartz glass, metal extracting, , machinery ...