leather dyes

• Company : WENZHOU MEIERNUO CHEMICAL CO.,LTD
• Region : Zhejiang , China
• Category : Chemicals > Dyestuffs
• Contact Person : Jackie Hu|||Sales man
• Telephone :
• Fax :
• Mobile phone :
• Website : www.wzmeiernuo.com
• Email : [email protected]
• Instant Messenger : skype: [email protected]
• Update : May/02/2016

• Product Details

  Leather dyeing usually involves the use of spirit or alcohol based dyes where alcohol quickly gets absorbed into moistened leather. Leather dyeing formulations are similar to lacquers. They consist of a dye or pigment, a casein or nitrocellulose resin, and a solvent.? The types of dyestuff that are used by tanneries generally varies depending on the product range needed along with the dictates of the fashion world. It is a fact that each tannery uses between 50-100 or more different types of dyestuffs. The leather industry primarily uses anionic dyestuffs, that can be divided in the following families: ?Acid dyes ?Mordant dyes ?Direct dyes ?Basic Dyes, its use is also limited. ?Pre-metalled dyes ?Solubilised sulphur dyes ?Reactive dyes although a part of the anionic group of dyes but use limited to a certain extent. If we see from the chemical point of view the dyes used are mostly Azo dyes, Anthraquinone dyes and Triphenylmethane dyes. Commercially speaking, popular Black dyes account for nearly 60-70% of all leather dyeing. Also, out of this a dye variety called Acid Black 210 dominates with 80-90% usage of all of the black dyes used.

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