glass heater rod -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 ... /9,Φ6/12,Φ9/18,Φ12/24 and so on. B. physical and chemical properties:1. Physical Properties Bulk DensityFlexural StrengthRigidityOpen ...