According to the nature of the dye and the application method, the dye can be classified as follows.
By status
Water-based Color Paste Oily Color Paste Water-based Color Essence Oily Color Essence
By purpose
Ceramic Pigments Coating Pigments Textile Pigments Plastic Pigments
By source
Natural dyes are divided into vegetable dyes, animal dyes, synthetic dyes (also known as artificial dyes) according to usage

According to the dye properties and application methods
Direct dyes Insoluble azo dyes Reactive dyes Vat dyes Soluble Vat dyes Sulfur dyes Vat dyes Phthalocyanine dyes Oxidative dyes Polycondensation dyes Disperse dyes Acidic dyes Acidic and acidic mordant dyes Basic and cationic dyes
direct dyes
Chromed gold-containing dyes-Qin Zhu pigments
Chromed gold-containing dyes-Qin Zhu pigments
This kind of dye can be directly dyed on cotton, hemp, silk, wool and other fibers without relying on other agents. Its dyeing method is simple, complete chromatography and low cost. However, its washing and light fastness is poor, such as the use of appropriate post-processing methods, can improve the fastness of dyed finished products.
reactive dyes
Also known as reactive dyes. This kind of dye is a new type of dye developed in the 50 s. Its molecular structure contains one or more active groups, under appropriate conditions, can react with the fiber to form a covalent bond. It can be used for cotton, hemp, silk, wool, viscose, nylon, vinylon and other textile dyeing.
sulfur dye
Most of these dyes are insoluble in water and organic solvents, but they can be dissolved in alkali sulfide solution and can be directly dyed with fibers after dissolution. But also because the dyeing liquid alkali is too strong, not suitable for dyeing protein fiber. This kind of dye chromatogram is neat, the price is low, the color fastness is good, but the color is not bright.
disperse dyes
This kind of dyes in water solubility is very low, the particles are very fine, in the dye solution is a dispersion, belongs to the non-ionic dyes, mainly used for polyester dyeing, its dyeing fastness is high.
acid dyes
These dyes are water-soluble, and most of them contain water-soluble genes such as sulfonic acid groups and carboxyl groups. Protein fibers can be directly dyed in acidic, weakly acidic or neutral media, but the wet fastness is poor.
Paint
Suitable for all fibers, through the resin mechanical attachment of fibers, dark fabrics will harden, but the color is very accurate, most of the light fastness, washing fastness is good, especially in the light color.