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Zhejiang Hongda Chemical Co., Ltd

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Zhejiang Hongda Chemical Co.,  Ltd
Zhejiang Hongda Chemical Co., Ltd
China

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  • textile auxiliaries

    textile auxiliaries

    Our company is specialized in manufacturing textile auxiliaries, and enjoys high reputation in this field. The textile auxiliaries we produce mainly includes below series: Optical....

  • optical brightener OB

    optical brightener....

    Optical Brightening Agent OB ( C.I.184)

    Chemical name 2, 5-bis-( 5-ter-butyl-benzoxazolyl-) thiophene

    Structural formula

    Molecular formula: C26H26N2O2S H9C4

    Molecular weight: 430....

  • optical brightener DMS

    optical brightener....

    Optical Brightening Agent DMS-X( C.I.71)

    Chemical name Stilbene derivative
    Structural formula

    Specification Appearance: White powder
    Fluorescent Color: Similar to the standard....

  • optical brightener CXT

    optical brightener....

    Optical Brightening Agent CXT( C.I.71)

    Chemical name Stilbene derivative
    Structural formula

    Specification Appearance: White powder
    Fluorescent Color: Similar to the standard....

  • optical brightener CBS-X

    optical brightener....

    Optical Brightening Agent CBS-X( C.I.351)

    Chemical name Stilbene derivative
    Structural formula

    Specification Appearance: Slight yellow powder
    Fluorescent Color: Similar to the....

  • optical brightening agents

    optical brightening....

    Our company has developed and produced high grade optical brightening agents, whose quality can compete with Ciba while the price is lower.
    Series for Polyester: DP-3, EB-330, ER....

  • Sodium Sulfate (Detergent and Dye Chemicals)

    Sodium Sulfate ....

    Item specification
    Na2SO4, e99% 99.1%
    Ca, Mg, ( mg) d0.15%
    FE, d0.002% 0.002%
    Moisture d0.2% 0.15%
    Water-insoluble d0.05%
    Whiteness e 85%

  • STPP

    STPP

    Properties: White powder, surface density: 0.35-0.9g/ cm3, melting point: 622Celsius degree, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface....

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