Tungsten wire Detailed Product Description- Physical Properties 1. purity: 99.95% min 2. density: 19.2g/cc 3. surface: black and white 4. Application: Lamp, EDM, car industry, Vaccum furnace, Semiconductor and so on. 5.Chemical test: Grade W MIN % Total impurity content % min Each impurity content % min WAL1,WAL2 99.95 0.05 0.01 W1 99.95 0.05 0.01 W2 99.92 0.08 0.01 Application of tungsten wire: Mainly used as electrical parts in light sources, cutting wires and heating elements. Tungsten alloy Wires: 1)Purity 99.95 ~ 99.98% 2)Diameter: 0.1 ~ 3.0 mm 3)Grade: W1, W2.1, WAL1, W-61 4)MOQ: 1KG 5)Certificate: ISO 9001: 2000, SGS 6)Avaiable: 30 MT/M Stranded tungsten wire application: 1) for making filaments for auto lamps, fluorescent lamps, high pressure halogen lamps. 2) for making other lamp components. 3) For production of filaments for lamps of coiled-coil or three-coiled incandescent lamp, fluorescent lamp, halogen lamp, auto lamp and hi-color temperature lamps, etc. 4) For making supports and electron tubes 5)Stranded tungsten wire is applied for making heater elements and other heater components in Semiconductor and vacuum devices. Our products High quality with reasonable price About FAQ If you have any question,just feel free to say.We'll also provide you good after-sale service. Company information We have been exporting for more than 10 years,worthy of your trust.Hope there's a chance to establish friendly cooperation relations with you from all over the world.