1.MoSi2 heating element 2.type:U,WUL,WL,Rod 3 Dia(mm):3/6,4/9, ... pure Molybdenum Disilicide.2.MoSi2 heating element 1) Main type :U, W ,UL, WL, Rod . Material grade :M1700,M1800,M1900.2 ... prevent the element from being over heated locally,the taper part of the element lower end must put into the furnace ... Spacing :A, mm(5) the quantity 2013 XYX super quality U type furnace heating element