... 0mm density: 19.3g/cm3 Surface: black / bright Tungsten wire Tungsten wire is supplied in black, as drawn condition, where ... exposition lamp and lamps used in automobiles.WAl2Non-sag tungsten wireJThe Tungsten wire Used in making filaments in incandescent bulb, ... , grid electrode, gas-discharge lamp,Specifications 1. Tungsten WiresDiameter (µm)Tungsten wire weight per 200 mm in length (mg)Tolerance ...