Leather dyes

Leather dyes refer to dyes with an affinity to leather and for leather coloring. Based on solvent types, it can be divided into two categories: non-water-soluble dyes and water-soluble dyes. Non-water-soluble dye comprises: sulfur dyes soluble in aqueous solution of sulfide; fat-soluble oil-soluble dye; alcohol-soluble dye soluble in alcohol. Water-soluble dyes include: anionic acid dyes, direct dyes, dye leather special dye; amphoteric metal complex dyes, triphenylmethane dyes of sulfite; cationic alkaline dyes.

Leather dyeing can be divided into two categories including dip-dye and surface coloring dye (including finishing and spray dyeing). Dyes suitable for leather disseminated coloring belong to D series; dyes suitable for leather spray coloring belong to SP series. In recent years, the popular aniline leather and nappa leather are light leather with only minor or no finishing. It is required to be well combined with the leather fibers with a high degree of fastness and good levelness and color and so on. Garment leather also requires dye has excellent performance on resistance to dry cleaning (solvent).

Shoes-special grained leather are usually finished with paint with just surface coloring while clothing leather is subject to overall dyeing with the color of the cut area being the same as that of the surface. The leather dyeing mainly apply acidic and direct dyes, sometimes with alkaline, mordant, reactive dyes and oil-soluble, mostly picked out from the textile dyes. With the improvement of living standards and the development of science and technology, there is an corresponding increase on the demand on the leather dyes, the demand for the light-resistance, abrasion resistance as well as resistance to dry-cleaning solvents for garment leather is also increasing. In order to maintain the leather surface "natural look", there has emerged the so-called “aniline leather” which doesn’t need paint finishing but only dyeing with synthetic dyes, proposing new demand for the dyes dedicated to leather. Metal complex dyes play an important role in the leather dye.

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Structure Chemical Name CAS MF
LEATHER DYESTUFF LEATHER DYESTUFF
Leather Black Leather Black
ACID BLACK 52 ACID BLACK 52 5610-64-0 C60H36Cr2N9Na3O21S3
ACID BLUE 40 ACID BLUE 40 6424-85-7 C22H16N3NaO6S
Leather Yellow GL Leather Yellow GL
Leather Spray Black B Leather Spray Black B
Leather retanning agent Leather retanning agent
Softening agent for leather Softening agent for leather
Water-proofing agent for leather Water-proofing agent for leather
Leather Spray Black GN Leather Spray Black GN
Leather slipping agent Leather slipping agent
Leather Spray Yellow G Leather Spray Yellow G
Leather Spray Black 3 Leather Spray Black 3
Leather Spray Black 1 Leather Spray Black 1
Leather Spray Green B Leather Spray Green B
Glazing oil for leather Glazing oil for leather
Leather Spray Brown M Leather Spray Brown M
Leather Brown 2S Leather Brown 2S
Leather Spray Red 4B Leather Spray Red 4B
Leather Yellow MR Leather Yellow MR
Leather Spray Green GB Leather Spray Green GB
Leather Spray Red GRS Leather Spray Red GRS
Leather Spray Bordeaux RB Leather Spray Bordeaux RB
Anticorrosion agent for leather Anticorrosion agent for leather
Leathr Fast Red GS Leathr Fast Red GS
Leather Dark Green BE Leather Dark Green BE
Smooth agent for leather Smooth agent for leather
leather protein powder leather protein powder
Leather Spray Black MT Leather Spray Black MT
Leather Spray Black R Leather Spray Black R
Leather Spray Black DMX Leather Spray Black DMX
Leather Spray Black RN Leather Spray Black RN
Leather Spray Brown GRF Leather Spray Brown GRF
Leather Spray Black G Leather Spray Black G
Leather Spray Black 615 Leather Spray Black 615
Leather Spray Scarlet GR Leather Spray Scarlet GR
Dust remover for leather Dust remover for leather
Leather Spray Black DMS Leather Spray Black DMS
Leather Spray Yellow GN Leather Spray Yellow GN
Leather Spray Black 2GB Leather Spray Black 2GB
Finishing agent for leather Finishing agent for leather
Leather Red Brown D Leather Red Brown D
Leather Spray Dark Brown NR Leather Spray Dark Brown NR
Leather Spray Dark Blue R Leather Spray Dark Blue R
Leather Spray Yellow GRA Leather Spray Yellow GRA
Leather Spray Scarlet GB Leather Spray Scarlet GB
Leather Spray Yellow Brown R Leather Spray Yellow Brown R
Leather Spray Black NT Leather Spray Black NT
impregnanting agent for leather impregnanting agent for leather
Leather Bordeaux B Leather Bordeaux B
Degreasing agent for leather Degreasing agent for leather
Tanning agent for leather Tanning agent for leather
Leather Brown RN Leather Brown RN
Leather Spray Black ATS Leather Spray Black ATS
Leather coating agent Leather coating agent
Leather Red Brown GR Leather Red Brown GR
Leather Grey DN Leather Grey DN
Leather Spray Red B Leather Spray Red B
Leather Black SB Leather Black SB
Leather Spray Blue A Leather Spray Blue A
Leather Spray Dark Brown DB Leather Spray Dark Brown DB
Leather Brown 2R Leather Brown 2R
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