... making single coiled filaments, The Tungsten wire in fluorescent lamps.BTungsten wire used in making coiled coil ... Tungsten wire Used in making filaments in incandescent bulb, fluorescent lamp, heating filaments, spring filaments, grid electrode, ... . 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