Mosi2 heating element 1.Professional manufacturer 2,Top quality and lower price 3,with 1 year warranty 4,long working life Order ... used in the temperature between 400C and 700C for a long time, otherwise the element will be cremated under the strong oxidizing ... the element is going up, please twist it tightly again, so the element is not easily broken. W Type MoSi2 Heating Element for laboratory ...