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Dark Blue Glass Tube

Dark blue glass tube, also known as UV glass tube or black blue glass tube, is a specialized type of glass tubing characterized by its deep violet-blue hue.

    Feature

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    This glass tubing is exceptionally transparent to medium and longer UVA wavelengths, as well as shorter visible violet wavelengths, along with a broad range of infrared and the longest, least visible red wavelengths.

    • Deep Violet-Blue Hue: Dark Blue Glass Tube exhibits a distinct deep violet-blue color, enhancing its aesthetic appeal and visibility.
    • Transparency to UVA Wavelengths: It offers high transparency to medium and longer UVA wavelengths, crucial for various applications requiring ultraviolet light.
    • Visibility of Violet Wavelengths: Dark Blue Glass Tube is transparent to shorter visible violet wavelengths, ensuring effective transmission of violet light.
    • Broad Range of Infrared and Red Wavelengths: It also transmits a fairly broad range of infrared and the longest, least visible red wavelengths, expanding its versatility in illumination applications.

    Application

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    Used to make "Black light" or Ultraviolet lamp ("UV" lights) which is widely used in inspection of industriaproducts and food, etc.; bug killer of check, currency, ID & passport; criminainvestigation. Also the UV lights are applied as decoration lights for DISCO, pub and billboard.

    • UV Lamps: Utilized in the production of "Black light" or Ultraviolet lamps ("UV" lights), Dark Blue Glass Tube is cruciafor applications such as industriaproduct and food inspection, counterfeit currency and document detection, and criminainvestigation.
    • Bug Killers: UV lights made from Dark Blue Glass Tubes are used as bug killers, effectively attracting and eliminating insects attracted to ultraviolet light
    • Decorative Lighting: Dark Blue Glass Tube UV lights are also employed as decorative lighting in settings such as nightclubs, pubs, and billboards, enhancing ambiance and visuaappeal.

    Available Size

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    Based on your requirements.

    OEM is acceptable

    Chemical Properties

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    Composition

    SiO2

    Na2O

    PbO

    K2O

    BaO

    CaO

    Al2O3

    B2O3

    CoO+NiO

    Weight (%)

    70.0±5.0

    10.5±2.5

    9.5±3.5

    3.5±1.5

    2.5±1.5

    2.5±1.5

    1.25±0.75

    1.25±0.75

    2.5±1.0

    *For reference only

    Physical Properties

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    Property

    Value

    Linear Expansion Coefficient (30~380℃)

    (9.3±0.2)×10-6/℃

    Softening Point

    650℃

    Transmission Percentage of UV ray

    >70%

    *For reference only