Main specifications of box lab furnace: Model: Box-1700 Normal working temp:≤1650C Chamber size: 150*150*150mm, 200*200*200mm, 300*300*300mm Heating element: MOSI2 heater Temp control: 51steps programmable and auto control Usage: Sintering ceramic samples, University labs, science and research Institute, annealing, etc we can produce according to your needs.