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99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire
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xProduct Details
| Name | Tungsten Twisting Wire For Vacuum Coating | Material | Tungsten And Doped Tungsten |
|---|---|---|---|
| Density | 19.3 G/cm3 | Purity | 99.95% |
| Wire Gauge | 0.1-2.0mm | Surface | Polished |
| Highlight | 99.95% Tungsten Products,Coating Tungsten Products,thoriated tungsten wire |
||
Product Description
Tungsten Twisting Wire For Vacuum Coating
1. Tungsten Twisting Wire For Vacuum Coating Specifications:
1).Wire Gauge:0.1-2.0mm
2).Lenth:Wire Gauge
3).Surface:polished
| 1. Tungsten Twisting Wires | ||||||
| Diameter (µm) | Tungsten wire weight per 200 mm in length (mg) | Tolerance (%) | ||||
| 15-18 | 0.3-0.98 | Class A | Class B | |||
| +2.5 | +3.0 | |||||
| 18-40 | 0.98-4.85 | +2.0 | +2.5 | |||
| 40-80 | 4.85-19.39 | +1.5 | +2.0 | |||
| 80-300 | 19.39-30.30 | +1.0 | +1.5 | |||
| 300-400 | 272.71-484.80 | +0.5 | +1.0 | |||
| 2. Cleaned Tungsten wire | ||||||
| Diameter (µm) | Tungsten wire Weight per 200 mm in length (mg) | Tolerance (%) | Linearity | |||
| 10-18 | 0.3-0.98 | Class A | Class B | Suspension length (%) | Chord high (mm) | |
| +2.5 | +3.0 | - | - | |||
| 18-40 | 0.98-4.85 | +2.0 | +2.5 | - | - | |
| 40-80 | 4.85-19.39 | +1.5 | +2.0 | 90 | - | |
| 80-100 | 19.39-30.30 | +1.0 | +1.5 | - | - | |
| 100-300 | 30.30-272.71 | +1.0 | +1.5 | - | 8 | |
| 300-400 | 272.71-484.80 | +0.5 | +1.0 | - | - | |
2. Dimensional tolerances lengths of Tungsten Twisting Wire For Vacuum Coating:
| dia(um) | weight of wire(mg/200mm) | tolerance(%) | min.length | ||||
| weight(mg/200mm) | dia | ||||||
| class0 | classI | classII | classI | classII | |||
| 10<d<=18 | >0.30-0.98 | -- | ±3 | ±4 | -- | -- | |
| 18<d<=40 | >0.98-4.85 | ±2 | ±2.5 | ±3 | -- | -- | 400 |
| 40<d<=80 | >4.85-19.39 | ±1.5 | ±2.0 | ±2.5 | -- | -- | |
| 80<d<=150 | >19.39-68.18 | ±1.0 | ±1.5 | ±2.0 | -- | -- | 300 |
| 150<d<=300 | >68.18-272.71 | ±1.0 | ±1.5 | ±2.0 | -- | -- | 100 |
| 300<d<=350 | >272.71-371.19 | -- | ±1.0 | ±1.5 | -- | -- | 50 |
| 350<d<=500 | -- | ±1.5 | ±2.0 | * | |||
| 500<d<=1800 | -- | ±1.0 | ±1.5 | ||||
3. Tungsten Twisting Wire Used For Vacuum Coating:
| Type | Name | Kind | Applications |
| WAl1 | Non-sag tungsten twisting wire | L | Tungsten wire used in making single coiled filaments, The Tungsten wire in fluorescent lamps. |
| B | Tungsten wire used in making coiled coil and filaments in high power incandescent bulb, Tungsten wire stage decoration lamp, heating filaments, halogen lamp, special lamps etc. | ||
| T | The Tungsten wire is Used in making special lamps, exposition lamp and lamps used in automobiles. | ||
| WAl2 | Non-sag tungsten twisting wire | J | The Tungsten wire Used in making filaments in incandescent bulb, fluorescent lamp, heating filaments, spring filaments, grid electrode, gas-discharge lamp, |
4. The vacuum coating process is a physical method of plating metal onto a substrate, not a chemical method. The process of coating is carried out in a vacuum chamber where the metal melts and reaches its vaporization point, becoming gaseous. A relatively homogeneous coating is created on the target substrate after the gaseous molecules condense there after traveling along the line of sight. The vacuum system contains a sealed chamber where the coating process takes place. Outside the enclosure, there are multiple pumps pumping air out to the pressure required for the process. A power source supplies the required voltage to an electrode connected to a series of insulators containing tungsten filaments that carry the metal to be evaporated.
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