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  • 河北星宇化工有限公司


    Fluorescent brightener OB-1 (FBA 393)

    Structural formula:

    Appearance: bright yellow green crystalline powder
    Purity: ≥98.5%
    Melting point: 355-360℃
    Solubility: insoluble in water, soluble in benzene dichloride and other high boiling point organic solvents
    Packing: 25KG fiber drum lined with double-layer plastic bag
    Uses: in whitening polyester fiber, in whitening and brightening polyester, cotton and other fiber blended fabrics

    C.I.NO :
    CAS NO. :1533-45-5

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