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Various products of Vat Dyes, providing product images and basic parameters with each Vat Dyes and Vat Red Dyes; We are a professional Chinese manufacturer of Vat Dyes, and look forward to your cooperation!

Vat Dyes

(Total 53 Products)
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  • Dynathrene Y...

    Dynathrene Yellow 5GF

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Yellow 5GF Yellow 46 12237-50-2...
  • Dynathrene Y...

    Dynathrene Yellow F3GC

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Yellow F3GC yellow 33 12227-50-8 Brilliant Yellow...
  • Dynathrene Y...

    Dynathrene Yellow 2GF

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Yellow 2GF Yellow 10 2379-76-2 Brilliant Reddish Yellow...
  • Dynathrene Y...

    Dynathrene Yellow GCN

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Yellow GCN Yellow 2 129-09-9 Greenish Yellow...
  • Dynathrene Y...

    Dynathrene Yellow G

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Yellow G Yellow 1 475-71-8 Reddish Yellow...
  • Dynathrene V...

    Dynathrene Violet 3B

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Violet 3B Violet 9 1324-17-0 Brilliant Bluish Violet...
  • Dynathrene V...

    Dynathrene Violet B

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Violet B Voilet 3 2379-75-1...
  • Dynathrene V...

    Dynathrene Violet 2R

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Violet 2R Violet 1 1324-55-6 Brilliant Bluish Violet...
  • Dynathrene R...

    Dynathrene Red 54

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Red 54 Red 54...
  • Dynathrene R...

    Dynathrene Red 5B

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Red 5B Red 41 522-75-8 Bluish Red...
  • Dynathrene R...

    Dynathrene Red BB

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Red BB Red 32 2379-77-3 Red...
  • Dynathrene R...

    Dynathrene Red F3B

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Red F3B Red 31 12227-47-3...
  • Dynathrene S...

    Dynathrene Scarlet R

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Scarlet R Red 29 6424-77-7 Red...
  • Dynathrene B...

    Dynathrene Bordeaux RR

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Bordeaux RR Red 15 4216-02-6 Dull Red...
  • Dynathrene S...

    Dynathrene Scarlet GG

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Scarlet GG Red 14 8005-56-9 Dull Yellowish Red...
  • Dynathrene R...

    Dynathrene Rubine 6B

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Rubine 6B Red 13 4203-77-4 Bluish Red...
  • Dynathrene B...

    Dynathrene Brilliant Red FBB

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Brilliant Red FBB Red 10 2379-79-5...
  • Dynathrene P...

    Dynathrene Pink R

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Pink R Red 1 2379-74-0 Brilliant Bluish Pink, Also available for...
  • Dynathrene O...

    Dynathrene Orange 3G

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Orange 3G Orange 15 2379-78-4...
  • Dynathrene Y...

    Dynathrene Yellow 3RT

    Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber. Dynathrene C.I. Vat CAS NO. Characteristics Yellow 3RT Orange 11 2172-33-0 Yellowish Orange...

Vat Dyes

Old VAT dye VAT dye, insoluble in water, in the alkaline solution by sodium dithionite reduction processing powder (insurance), and make the fiber dyeing dye. Its fast and washing fastness especially, can be used for cotton, linen, viscose, whalen fiber dyeing and printing, etc.

In the molecular structure of VAT dye excluding sulfonic group, carboxylic acid base, such as water soluble groups, insoluble in water, therefore, cannot be directly dyed; The molecular conjugated double bond systems containing at least two carbonyl, interaction with insurance powder in the alkaline solution, carbonyl reduction into hydroxyl, become water soluble compounds ─ ─ the leuco body. Is leuco body has affinity to fiber, fiber after adsorption, oxidized by air or other oxidants, leuco body back for VAT dye fixation on fiber staining. Leuco body staining method shortcoming is dye into the fibers not easily, if the suspension pad dyeing, the reduction of the outstanding dye made from suspension solution, borrow machine rolling pressure make dye fine, evenly distributed on the dyed fabric treated with insurance powder and make dye reduction by fiber adsorption, good is thicker and uniform can be obtained by the oxidation dyeing effect.

Its chromatographic is full, bright color, soaping, tanning fastness are high, but because the price is more expensive, some yellow, orange and other color with photosensitivity brittle damage phenomenon, make its application is limited by certain.

Because Vat Dyes does not dissolve in water, so the side effects of it on the human body easy to control, more safe and convenient for environmental protection, but its cost is generally high.

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