Tungsten evaporation boats
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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

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
  • 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: 


Updated: 07-12-2024
Code Title Type Pack Size Availability Price Updated: 07-12-2024
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