Hubei Fotma Machinery Co., Ltd.
| Payment Terms | T/T, L/C, Western Union, PayPal |
| Supply Ability | 2 MT / Month |
| Delivery Time | 20-25 days |
| Packaging Details | Plastic boxes, Paper cartons |
| W Purity | 99.95% |
| Diameter | 0.01mm - 4.0mm |
| Length | Customized |
| Condition | Black Surface |
| Density | 19.2 g / cc |
| Tolerance | + / - 0.01mm |
| Brand Name | FOTMA |
| Model Number | W-1, W-2 |
| Certification | ISO 9001:2008 |
| Place of Origin | P.R. China |
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Product Specification
| Payment Terms | T/T, L/C, Western Union, PayPal | Supply Ability | 2 MT / Month |
| Delivery Time | 20-25 days | Packaging Details | Plastic boxes, Paper cartons |
| W Purity | 99.95% | Diameter | 0.01mm - 4.0mm |
| Length | Customized | Condition | Black Surface |
| Density | 19.2 g / cc | Tolerance | + / - 0.01mm |
| Brand Name | FOTMA | Model Number | W-1, W-2 |
| Certification | ISO 9001:2008 | Place of Origin | P.R. China |
| High Light | 0.05mm Annealed Black Pure Tungsten Wire ，W1 W2 coiled tungsten filament ，W2 Annealed Pure Tungsten Wire | ||
99.95% Pure Black Tungsten Wire W Wire For Lightening / Heating / Coating
Tungsten is used extensively for filaments for electric lamps, electron and television tubes, and for metal evaporation work; for electrical contact points for automobile distributors; X-ray targets; windings and heating elements for electrical furnaces; and for numerous spacecraft and high-temperature applications. High-speed tool steels, Hastelloy(R), Stellite(R), and many other alloys contain tungsten.
Brief Introduction of Tungsten Wire:
1. Purity: 99.95%-99.98%;
2. Grade: W1, W2
3. Density:19.2g/cm3
4. Appearance: black surface
5. Supply state: annealing
6. The tungsten wire features excellent formability, long life and super lighting efficiency. Mainly used for making various electron tube, H series auto lamp,halogen lamp and other special lamp.
Applications of Black Tungsten Wires:
• Tungsten heater element
• Other heater components in semiconductor
• High temperature lamp and filament, stock - resistance filament, double helix filament etc
• Electric incandescent lamp filament, fluorescent light filament, etc
Packing of Tungsten Wire:
• Tungsten wire in spool: plastic case or plastic vacuum packing.
• Tungsten wire in coil: woven bag or plastic vacuum packing.
Note: The length or weight of single tungsten wire can be supplied by your special request.
Different Grades for Tungsten Wries:
| Type | Purity of tungsten | Type | Application |
| 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. |
Pure Tungsten Composition:
| Grade | W content, min, % | Total impurity elements, max, % | Each element, max, % |
| W1 | 99.95 | 0.05 | 0.01 |
| W2 | 99.92 | 0.08 | 0.01 |
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Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2004
Total Annual:
5000000-8000000
Employee Number:
50~100
Ecer Certification：
Active Member
Hubei Fotma Machinery Co.Ltd established in 2004 as a combined group engaged into manufacturing and exporting of Non-Ferrous Metals, Agricultural Machinery and Instruction Machinery etc. In 2005, our factory established in Zigong, Sichuan P.R., which is a professional manufacturer of ... Hubei Fotma Machinery Co.Ltd established in 2004 as a combined group engaged into manufacturing and exporting of Non-Ferrous Metals, Agricultural Machinery and Instruction Machinery etc. In 2005, our factory established in Zigong, Sichuan P.R., which is a professional manufacturer of ...
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