1.MoSi2 heating element 2.type:U,W,UL,WL,Rod. 3 Dia(mm):3/6,4/ ... high pure Molybdenum Disilicide.2.MoSi2 heating element 1) Main type :U, W ,UL, WL, Rod . Material grade :M1700,M1800,M1900.2 ... Spacing :A, mm (5) the exact quantity 2013 hot sale U& W type MoSi2 heating element