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    • Optical brightener BBU

    Optical brightener BBU

    • C.I.Fluorescent Brightener 220
    • C.I.40623
    • CAS: 16470-24-9
    • Molecular Formula: C40H40N12O16S4Na4
    • Formula Weight: 1165.12

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    Specification

    Appearance: Amber transparent liquid

    PH value: 8.0-10.0

    Density: 1.0-1.2g/cm3

    Viscosity: ≤60mPa•s

    Ionic character: Anionic

    Fluorescent strength: 35±2 (equivalent to the standard sample)



    Characteristic

    1. Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.

    2. Good resistance to hard water, the ions of Ca2+ and Mg2+ have no influence on its whitening effect.

    3. Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite).

    4. General acid-resistance and the optimal applied pH value >7.


    Application

    1. Used in the process of coating.

    2. Used in the process of surface gluing.

    3. Used in paper pulp.

    Packing

    Packed in 25kgs Plastic Drum  

    Download

    TDS-BBU.pdf

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