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Products Name
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Non-Sag Tungsten Boats Used for The Vacuum Evaporation
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Size
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Customized according to customer needs
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Material
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pure tungsten
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Grade
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W1
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Density
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19.2g/cm3
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Surface
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polished
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Application
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Evaporation boat
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High melting point
high corrosion resistance
High density
99.95% Purity
Long service life
Item Name: Tungsten Boat
Impurity content: ≤0.04%
W content: ≥99.5%
Technique: extruding, forging, rolling, machining and sintering
| 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] |
1.Metallizing, Electron-beam Spraying ,sinteting annealing in reducing atmosphere in electronics.
2.Military and light industries.
3.Evaporate small lengths of wire or to evaporate materials.
4.Tungsten boat is ideal for use in small evaporation systems.
5.Tungsten boats sources are used for the vacuum evaporation of materials.
