... heating element 2.type:U,W,UL,WL,Rod . 3 Dia(mm):3/6,4/9,6/12,9/18,12/24 ... ,UL, WL, Rod . Material grade :M1700,M1800,M1900. 3.Standard dimension (mm):3/6,4/9,6/12,7/14,9/18 ... ,12/24. 3.It can be widely used in such applications as sintering ... ) Dia: D1/D2 ,mm/mm(2) Hot zone length :Le ,mm(3)Code Zone length : Lu,mm(4) Shank Spacing :A, mm ...