... high pure Molybdenum Disilicide.2.MoSi2 heating element 1) Main type :U, W ,UL, WL, Rod . Material grade ... )570kg/mm²porosity rate7.4%water absortion1.2%hot extensiblity4%5.The Max temperature of elements in ... Hot zone length :Le ,mm(3)Code Zone length : Lu,mm(4) Shank Spacing :A, mm (5) the exact quantity 2013 hot sale ... U& W type MoSi2 heating element