KXD 100% guaranteed good quality tungsten filament 1.used for lamp 2.purity is high 3.shape is wire coil KXD 100% guaranteed good quality tungsten filament1.used for lamp2.purity is high 3.shape is wire coil Type          Properties and AppIicationWAL-31    Good winding property,non- sag,applied for making incandescent lamp,coiled—coil or trispiral CFL filament,feast lamp and support.WAL-61    Good processability,applied for halogen lamp and coiled—coil incandescent lamp.WAL-91     High recrystallization temperatures and non -sag,applied for making shock—resistance filament and halogen filament.Chemical Composition:

W	K	Fe	Mo	other impurity,each
≥99.95	0.004-0.010	≤0.0020	≤0.0030	≤0.0010

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KXD 100% guaranteed good quality tungsten filament