1.MoSi2 heating element 2.type:U,W,UL,WL,Rod . 3 Dia(mm):3/6,4/9,6/12,9/ ... of high pure Molybdenum Disilicide.2.MoSi2 heating element 1) Main type :U, W ,UL, WL, Rod . Material grade :M1700,M1800,M1900.2 ... ) Hot zone length :Le ,mm(3)Code Zone length : Lu,mm(4) Shank Spacing :A, mm XYX 2013 hot sale MoSi2 heating element for muffle ...