Evaporation Sources

Beijing Loyaltarget Technology Co., Limited
Tel: +86-10-62926252
Mail: sales@loyaltarget.com
Address: No.28, Xin Xi Road, Haidian District, Beijing

Tungsten Boat - W Boat
To request a quote for evaporation sources or other services, please send email to sales@loyaltarget.com inform requirements for material dimensions and quantity. You can also call at +86 10 62926252.
Tungsten is silver-white metal with similar appearance to steel. Tungsten has high melting point and low vapor pressure, the evaporation rate is also small. The main applications are manufacture filament and high-speed cutting alloy steel, super-hard molds and optical instruments, chemical apparatus.
Item Name: Tungsten W evaporation boat
Purity: 99.95%
Temp: 1800°C
Appearance Silvery
Melting Point 3410 °C
Boiling Point 5900 °C
Density 19.3 g/cm3
Thermal Expansion (25 °C) 4.5 µm·m-1·K-1
Tensile Strength 750 MPa
Thermal Conductivity 1.73 W/m K
Young's Modulus 411 GPa
Vickers Hardness 3430 MPa
Poisson's Ratio 0.28
Electrical Resistivity 5.65 μΩ ·m (27 °C)
Electronegativity 1.7 Paulings
Specific Heat 0.133 J/g mol (20 °C)
Heat of Fusion 35.3 kJ/mol
Heat of Vaporization 806.7 kJ/mol
Available size: 210, 310, 315, 510, 525 and other customized boats
Certificates: ISO9001: 2008, SGS, The third test report
Technics: Powder metallurgy