... 2>Diameter :0.1-3.0mm 3>Application:heating,lighting, 4>Grade:W1,W2,WAL1,WAL2 Tungsten wire introduction1, Diameter: 0 ... electrical and thermal conductivity Important applications of this metal wire are for the production of coiled incandescent lamp filaments, ... grid side rod of electron tube and reaming tungsten wire Certification Processing Equipment SHAANXI YUNZHONG INDUSTRY DEVELOPMENT CO.,LTD ...