... -Main material: Molybdenum silicon powder -Shapes:U/W/X/L type -Dia: 3/6,4/9,6/12,12 ... /24mm Old craft W,X type mosi2 glass heater rod with firm welding point ... resistance changes, also is not aging, so old and new components can be mixed use.MoSi2 heating element of ... correctly can be avoided.A. Size:1700°C: d x c: Φ3/6,Φ4/9,Φ6/12,Φ9/18 ... ,Φ12/24 and so on1800°C: d x c: Φ3/6,Φ4/9,Φ6/12,Φ9/18 ...