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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 www.239266.net) 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

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