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Tungsten evaporation boats
Tungsten has the highest melting point and lowest vapour pressure of all metals, and at the temperatures over 1650°C has the highest tensile strength. It has excellent corrosion resistance and is attacked only slightly by most mineral acids.
Tungsten is the most useful material used in vacuum evaporation technique, due to its special properties and cost factor.
Properties of Tungsten
Chemical symbol: | W |
Atomic Radius: | 2.02Å |
Atomic Volume: | 9.53cm3/mol |
Covalent Radius: | 1.3Å |
Crystal Structure: | Body centered cube |
Number of Electron (with no charge): | 74 |
Atomic Number of Protons: | 74 |
Number of Neutrons (most common/stable nuclide): | 110 |
Ionic Radius: | 0.62Å |
Cross Section: | 18.5 barns ± 0.5 |
- B1: Thickness of tungsten foil is 0.05mm, overall length is 32mm. Trough: 12.7mm (L) x 9.5mm (W) x 3.2mm (D)
- B2: Thickness of tungsten foil is 0.25mm, overall length is 101.6mm x 19.05mm. Trough: 39.37mm (L) x 2.79mm (D), 0.92ml
- B3: Thickness of tungsten foil is 0.25mm, overall length is 101.6 mm x 19.05 mm. Trough: 39.1mm (L) x 6.35mm (W) x 3.3mm (D), 0.5ml
- B4: Thickness of tungsten foil is 0.25mm, overall length is 100.5mm x 19.05mm. Trough: 28.19mm (L) x 15.87mm (W) x 3.3mm (D), 0.99ml
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B5: Thickness of tungsten foil is 0.25mm, overall length is 101.6mm x 12.7mm.
Trough: 9.65mm diameter x 3.81mm (D), 0.18ml - B6: Thickness of tungsten foil is 0.25mm, overall length is 101.6mm x 39.1mm. Trough: 39.1mm (L) x 12mm (W) x 3.55mm (D), 1.0ml
- B7:
Code | Title | Type | Pack Size | Availability | Price | Updated: 27-12-2024 |
---|---|---|---|---|---|---|
EMS73816 | Tungsten evaporation boats | B1 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
EMS73816-B2 | Tungsten evaporation boats | B2 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
EMS73816-B3 | Tungsten evaporation boats | B3 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
EMS73816-B4 | Tungsten evaporation boats | B4 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
EMS73816-B5 | Tungsten evaporation boats | B5 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
EMS73816-B6 | Tungsten evaporation boats | B6 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
EMS73816-B7 | Tungsten evaporation boats | B7 | Pack/5 | 0 in stock (?) | P.O.R. | Quote |
* Ordering Schedule
This item is available for back-order where 0 stock is listed.
We order from this manufacturer weekly, with an estimated lead time of 4 weeks.
This is the estimated lead time, based on the average time taken previously to fill orders from this particular supplier.
Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.