black tungsten wire
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Quality/Safety Certification: 0.00
tungsten wire
Grade:W1,W2,WAL1,WAL2,WAL3
Dia:0.08-8mm purity>=99.95%
standard:ASTM,DIN,GB
ISO9001:2008, ISO14001:2004
black tungsten wire
| WAl1 | ≥99.92 | T | Double – screwy filament. Filament for high colour temperature lamp and shockproof lamp etc. |
| L | Filament for incandescent lamp. Cathode for emitting tube. High temperature electrodes. Twisted tungsten wire etc. | ||
| W | Folded – heater for electronic tube, etc. | ||
| WAl2 | ≥99.92 | T | Filament for fluorescent lamp etc. |
| L | Heater for electronic tube. Filament for incandescent lamp. Twisted tungsten wire etc. | ||
| W | Folded – heater for electronic tube, etc. | ||
| WAl3 | ≥99.92 | L | Filament for normal lamp. Spring wire for semiconductors, etc. |
| W1 | ≥99.95 | Tungsten wire in twisted and heating parts etc. | |
| W2 | ≥99.92 | Grid side rod for electron tube. Tungsten wire in twisted etc. |
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