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Beijing
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2020-05-06 04:32
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Company Profile
Xian Zhiyuan Import and Export Co., Ltd.By certification [File Integrity]
Contact:zhiyuanjinchukou(Mr.)
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Area:Beijing
Website:http://www.tungstensupplier.com/ http://zhiyuanjinchukou.nhdikang.com/
Tungsten wire
Tungsten wire is a fine wire made by forging and drawing tungsten bars. It is mainly used in incandescent lamps, halogen tungsten lamps and other electric light sources. In addition, a small amount of oxides of potassium, silicon and aluminum should be added into it used as various luminescent materials in the bulb.
Type |
Tungsten content |
Impurity element content |
||
Total |
Each |
|||
WAL1, WAL2 |
≥99.95% |
≤0.05% |
≤0.01% |
|
W1 |
≥99.95% |
≤0.05% |
≤0.01% |
|
W2 |
≥99.92% |
≤0.08% |
≤0.01% |
|
Note: potassium is not included in impurity content. |
Tungsten wire is used as heating material of high temperature furnace, thermite of electronic tube and reinforcing rib of composite material, and most of them are used to make filament of various incandescent lamps and halogen tungsten lamps and electrode of gas discharge lamp.
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