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Products Name
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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.Non-Sag Tungsten boat is ideal for use in small evaporation systems.
5.Non-Sag Tungsten boats sources are used for the vacuum evaporation of materials.
