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W(pellets & pieces)

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Material TypeTungsten
SymbolW
Atomic Weight183.84
Atomic Number74
Purity3N5-5N
Color/AppearanceGrayish White, Lustrous, Metallic
Thermal Conductivity174 W/m.K
Melting Point (°C)3,410
Coefficient of Thermal Expansion4.5 x 10-6/K
Theoretical Density (g/cc)19.3
Z Ratio0.163
E-BeamGood


Vacuum evaporation means the evaporation materials are evaporated to atoms or molecules in vacuum by current heating, electron beam heating and laser heating. Atoms or molecules make rectilinear motion to impact substrate surface and condense to form films.

 

NEXTECK (NEXTECK 7meditations.com) provides various high quality evaporation materials, with a full range of purities and sizes, to meet customers’ needs. Our precious and non-precious films are widely used in automotive, aerospace, physic, flat panel display, magnetic/light recording medium, coated glass, optical coating , hard film, decorative film and other fields.

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Providing real-time and high quality service

NEXTECK (CHINA) - SHENZHEN
Tower A1001, Galaxy Century, No 3069, CaiTian Rd, Futian District, Shenzhen, China
Zip Code: 518026
Tel: +86-755-8256-1631
Fax:+86-755-8256-1691
E-mail:nexteck@nexteck.com

PRODUCTION PLANT
Wenchuan Rd, Alley 5300/1, Baoshan District, Shanghai, China
Zip Code: 200942
Tel: +86-21-3638-0189
Fax: +86-21-3638-0109
E-mail: nexteck@nexteck.com.cn