W1 W2 High Purity Tungsten Boat Vacuum Evaporation Coating
Tungsten Boat can provide a reliable guarantee of product quality for the customers. We adopt excellent tungsten materials with high purity, advanced techniques, and special treatments to the product surfaces. Our company can produce tungsten boats for vacuum evaporation according to the customer's drawing.
Parameters
Products Name |
W1 W2 High Purity Tungsten Boat Vacuum Evaporation Coating |
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Size |
Customized according to customer needs |
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Material |
pure tungsten |
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Grade |
W1 |
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Density |
19.2g/cm3 |
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Surface |
polished |
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Application |
Evaporation boat |
Atomic number |
74 |
CAS number |
7440-33-7 |
Atomic mass |
183.84 [g/mol] |
Melting point |
3420 °C |
Boiling point |
5555 °C |
Density at 20 °C |
19.25 [g/cm3] |
Crystal structure |
Body-centered cubic |
Coefficient of linear thermal expansion at 20 °C |
4.4 × 10-6 [m/(mK)] |
Thermal conductivity at 20 °C |
164 [W/(mK)] |
Specific heat at 20 °C |
0.13 [J/(gK)] |
Electrical conductivity at 20 °C |
18.2 × 106 [S/m] |
Specific electrical resistance at 20 °C |
0.055 [(Ωmm2)/m] |
Application
1. Metallizing, Electron-beam Spraying, sintering annealing in reducing atmosphere in electronics.
2. Military and light industries.
3. Evaporate small lengths of wire or evaporate materials.
4. A tungsten boat is ideal for use in small evaporation systems.
5. Tungsten boat sources are used for the vacuum evaporation of materials.