Colored substance of dyeing which has an affinity to the substrate is known as Dyes. Generally dyes applied in aqueous solution. The main aim of dyes is to improve the fastness of fiber and fabrics. Dyes are also applied in Textiles, Leather, Plastics, and Paper in liquid form.
Classification of Dyes:
  1. According to the Application:
i. Direct dyes.
a. Acid.
b. Basic.
ii. Mordant dyes.
iii. Ingrain dyes.
iv. Vat dyes.
  1. According to the Chemical structure:
i. Nitro and Nitrosodyes.
ii. Triphenyl methane dyes.
iii. Azo dyes.
iv. Phthalein dyes.
Industrial Classification of Dyes:
In Textile industry, majority amount of dyestuff is primarily consumed world wide. That’s why the classification of dyes can be done according to dyes performance in dyeing process. More than 60% dyestuffs are based on Azo dyes world wide.
Major Dye’s classes and the substrates:
  1. Basic.
  2. Direct.
  3. Acid.
  4. Azoic.
  5. Vat.
  6. Sulphur.
  7. Reactive.
  8. Solvent.
  9. Disperse.
Dye application of fibers:
Wool, nylon, Silk
Cotton, Rayon, acetate, cellulose, polyester
Polyester, modified  nylon
Cotton ,nylon, Rayon
Cotton, Rayon
Polyester, Acrylic, polyamide
Cotton, wool, silk, nylon


  1. Dyes are used very regularly, but I didn’t even think about the fact that they can be so different and have so many differences.

  2. Writing services are in high demand nowadays. Unfortunately, scams can take advantage of this high demand by deceptive practices or by breaching your trust. This is why many students are reluctant to purchase essays online. While a legitimate company will ensure that your order is original and unique, you must check for scams before making a payment.

    The best way to check whether a custom essay writing service more has the writers you need is to read a review of their work. Moreover, it's best to discuss the requirements with the writer. You should give them as much information as you have, including the topic, to ensure that they understand your needs.


Spamming is strictly Prohibited. Each and every Spam Comment will be deleted soon. So stay away from Spamming.