... incandescent bulb, fluorescent lamp, heating filaments, spring filaments, grid electrode, gas-discharge lamp,Specifications 1. Tungsten WiresDiameter (µm ... .5+1.0-- Our Tungsten wire is high quality. Our Tungsten wire is very well. Our Tungsten ... . The Tungsten wire is not suitable for contacting with iron, nickel, carbon, when the temperature is ... in dry vessels. W1 tungsten wire with good quality