long life filament for lamp 1.Material: tungsten 2,Purity: >= 99.95% 3. ... fluorescent lamps, high pressure halogen lamps. For making other lamp components. 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. For ... me msgand I will reply to you AQAP. Long Life Filament for Lamp