... temperature 1700C. When you place order, please choose suitable type according to your furnace working temperature. M1700 (heat furnace temperature ... C )M1800 (heat furnace temperature 1700.C) Standard sizes:M1700 type (d/c): dia3/6, dia4/9, dia6/12, ... working TemperatureFullNote: Shifting gear must be done quickly, otherwise high current surges may cause damage. High quality MoSi2 heating elements