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    介绍

    Oxygen O2


    CAS No.: 7782-44-7
    EINECS No.: 231-956-9
    UN No.: UN1072
    Purity: 99.995%-99.9997%
    Dot Class: 2.2
    Appearance: Colorless
    Grade Standard: Industrial Grade, Medical Grade, Electronic Grade.

    Industry Use:
    Steel making, non-ferrous metal smelting.Cutting metal material.

    Medical Use:
    In first-aid treatment of emergencies such as suffocation and heart attack, in the treatment of patients with respiratory disorders and in anaesthesia.

    Semiconductor Fabrication:
    Chemical vapour deposition of silicon dioxide, thermal oxide growth, plasma etching, plasma stripping of photoresist and carrier gas in certain deposition/diffusion operations.

     

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