What Is Vat Dye || Properties Of Vat Dye

Vat Dye

Vat dyes are different from reactive dyes, disperse dyes, basic dyes, acid dyes, or azoic color but their application process is near similar to sulphur dyes. Vat dyes are used for coloring cellulosic fiber especially cotton fiber. It is widely used for running the dyeing process of cotton yarns which is used for producing jeans or denim products.

Application Methods of Vat Dye:

The word vat comes from the vessel; vat dyes can be applied in a vat for coloration textile products. Vat dyes are natural coloring materials that are solubilized in a vat by the fermentation process called vatting. Vat dyes are insoluble in water but it becomes insoluble by the vatting process. The process of converting insoluble vat dyes into soluble forms is known as vatting.

Properties of Vat Dye:

Vat dyes have lots of properties that are required to remember before and during the dyeing process. The following are the main properties of vat dyes.

  • Vat dyes are natural coloring dyes.
  • Vat dyes are insoluble in water.
  • Vatting process is needed for making the insoluble vat dyes into soluble form.
  • Final color is developed by the oxidation process.
  • Vatting is done in alkaline condition.
  • Fastness properties of the dyes are excellent but its rubbing properties are not so good.
  • Sometimes, it causes different types of skin disease.
  • Vat dyes are mainly used for coloring cellulosic fibers.
  • Stability of the color in the fiber is excellent.
  • Wide range of color can be achieved by these dyes.
  • Application of vat dyes is limited in practical life.
  • Vat dyes are expensive in price.

So, it’s very interesting that most of the denim product is colored by vat dyes.

20 thoughts on “What Is Vat Dye || Properties Of Vat Dye”

  1. Hello, do you make VAT dyes,

    I would like to inquire if the company has VAT dyes which are operated with hot water, soda ash(Na2Co4) and caustic soda (NaOH)
    If so, i would like to inquire about the pricing under the specifications mentioned above as i intend to use the VAT dyes on a small scale.

    Furthermore, I would like to know about the pricing of each color and if small samples can be sent to us with FEDEX or DHL. If payment for the samples is necessary, we will pay for it.

  2. Dear Vat Dyes Manufacturer,
    We have a Yarn Dyeing Factory in Gazipur Bangladesh , we use about 1500 kg vat dyes monthly , now we are try to import from India , and I hope we are visit India as early as possible regarding Textile Vat dyes . now we need all color chart with price fob Chittagong . if you feel pl. I want same and if you can sent sample then very well.
    Address : Akbar
    ARR Textile solution & Chem.
    Lili Point , Rajendrapur Cantt. Gazipur, Bangladesh
    Post Cod No. 1742
    Phone No. ( 880 ) 01711583944
    E-mail: kutubuddinakbar@gmail.com

    • Hi
      This is Md Nur-A-Alam khan Rony Rony. I am a textile engineer. My home district is Tangail. There are lot of business opportunity here. I have already supplied Nishafol ( Low quality detergent), fixing agent bleaching powder. I have a area sells executive. Now our three chemical running on Tangail area like Kajibari, Rampur, Bolla, Chatihati , Pathrail and Shirajgonj .If you help me out we have a chance of good business here. they use our path to do business except shijajgong cause there are not good communication without through us. and it is our plus point . so what do you say? My main business is indenting. you directly mail in rony@ronchemchemicals.com my number is +8801712052315

    • Dear Subhankar, I am very much interested to manufacture VAT colour chemicals but I don’t know how? If you help me to let me know the process and if I become successful then I will buy all raw materials of manufacturing VAT colour from you. If you are interested please contact me. Thanks (Labin)


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