Specifications
1) Purity: over 99.95% W2) Spec.: 4.5mg
3) Quality: Passing the SGS
4)Coiled-coil
This kind of tungsten wire is applied for manufaturing halogen filament,shock-resistance filament and other high temperature-resistance devices.
1) Type & Application:
Type | Application |
WB91 | Applied for manufacturing halogen filament, shock-resistance filament and other high temperature-resistance devices |
WB61 | Applied for manufacturing coiled-coil or triple CFL filament. |
WB31 | Applied for manufacturing incandescent lamp and supporting wire, etc. |
2) Diameter Tolerance:
Diameter (um) | Weight (mg/200mm) | 200mm weight tolerance | ||
|
| 0 | I | II |
10 <d≤18 | 0.30-0.98 | ---- | ±3.0 | ±4.0 |
18 <d≤40 | 0.98-4.85 | ±2.0 | ±2.5 | ±3.0 |
40 <d≤80 | 4.85-19.39 | ±1.5 | ±2.0 | ±2.5 |
80 <d≤300 | 19.39-272.71 | ±1.0 | ±1.5 | ±2.0 |
300 <d≤350 | 272.71-371.19 | ---- | ±1.0 | ±1.5 |
Note:
The diameter range can be custom-made as per the requirements of customers.
