• Dyes

    Acid Dyes

    Direct dyes

    Solvent dyes

    Metal Complex Solvent Dyes

    Basic dyes

    Cationic dyes

    Vat dyes

    Sulfur dyes

    Reactive Dyes

    Disperse dyes

  • Pigment

    Organic pigment

    Fluorescent pigment

    Blue 27/Milori blue

    Chrome series

    Iron oxide series

    Ultramarine blue

  • Titanium dioxide (TiO2)
  • Resin

    Solvent Base Resin

    PVA Resin

    PVB Resin


    Waterborne Resin & Harder

  • OBA

    OBA for Plastic

    OBA for Textile Printing

    OBA for Paper Making

    OBA for Detergent

  • Additives

    Antioxideant

    UV Absorber

    Light Stabilizer

  • Company

    About us

    Our service

    News


    Exhibition

    Sales network

    Job

  • News
  • Contact
  • Inquiry Basket
    • Direct Congo Red 4B

    Direct Congo Red 4B

    • C.I.Direct Red 28
    • C.I.22120
    • CAS: 573-58-0
    • Standard Strength: 100%
    • Molecular Formula: C32H22N6Na2O6S2
    • Formula Weight: 696.67

    Inquire Now     Add to Inquiry Basket



    Physical and Chemical Properties

    Appearance: Tan powder

    Shade: Similar to standard

    Strength: 100%

    Insolubility: ≤2%

    Moisture: ≤3%

    Fineness(60 Mesh Sieve Residue):≤5%


    Fastness

    Light

    Washing

    Water

    Crocking

    Perspiration

    Ironing

     

     

     

     

    1-2

    Bleaching

    Staining

    Bleaching

    Staining

    Dry

    Wet

    Bleaching

    Staining

    3-4

    2

    3-4

    2

    3-4

    2-3

    2-3

    4

    4-5


    Application

    Dyeing for Cotton and Viscose fiber  

    Coloring for Wool, Silk, Paper and Biological

     


    Packing

    Packed in 25kgs Fiber drum and Carton

    PRODUCT & SOLUTION

    Please refer to PROMOTION for good value products learn more

    We Provide

  • Solution for ink, coating, plastics and textiles with 20 years business experience.
  • Best value products with guaranteed quality and competitive price.
  • Timely and safety delivery
  • Professional sales and after-sale service.

    • SALES NETWORK

    CONTACT US

    To learn more information about our company or obtain specific information about our products,
    please contact serivce center with 86-532-88978177 or use the contact us link below.

    get in contact

    Newsletter

    Your email is safe with us!