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Acid Dyes

• About the product

Acid Dyes for Leather Acid dyes are considered very appropriate for the purpose of dyeing leather. This is due to the fact that these dyes can penetrate leather better than other types of dyes.

The acid dyes are usually applied under acidic conditions. The application of acid dyes on wool or nylon results in ionic bond or salt links between the anionic dye and the positively charged groups in the fiber under acidic conditions. In addition to ionic bonds, hydrogen bonds as well as Van der Waal’s forces may also be formed between the fiber polymer system and the acid dye molecules.

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• Uses & Applications

Acid dyes have a variety of different uses. They are used in many different industries and sectors for various types of applications.

A few textile applications and uses according to the type of dye:

  1. Fast Acid Dyes: Used for dyeing or colouring non-washable knitting yarns, carpet yarns and piece goods. It is possible that a few pale-medium shades of fast acid dyes may be able to be hand washed.
  2. Super Milling Dyes: These can be used to impart bright shades onto products or materials like loose stock, sliver, and yarns that need high wet fastness. They can also be used to impart pale-medium shades that can be machine-washed.
  3. Acid Levelling Dyes: Such dyes can be used to dye or impart colour onto materials like carpet yarn, woollen and worsted fabrics, and such textile products that do not need washing and perspiration fastness.
  4. Acid Milling Dyes: This type of acid dye can be used to impart medium-heavy bright shades on products like piece goods and materials like carpet yarns, knitting yarns, and weaving yarns.
  5. Metal Complex Dyes: Due to their fastness properties, these acid dyes are used to dye womenswear and hosiery and other materials like leather, wood, metals, plastics, etc.

Within the textile and fashion industry, acid dyes have many other uses. Furthermore, they also have uses and applications in other industries other than the fashion and textile industry. They all are:

  1. Medical Industry: Acid dyes are used in the field of Histology for the purposes of research or diagnosis. They are used to stain or colour basic tissue proteins in microscopic examinations.
  2. Food Industry: Acid dyes are used as food colouring in the food industry. They must be approved as being eligible for consumption before use. They are used in bread, condiments, frosting, etc.
  3. Leather Colouration: Due to acid dyes being resistant to migration, they are ideal to colour leather. Usually, all types of acid milling dyes and metal complex dyes are applicable here.
  4. Dyeing of Fur Skins: Due to a few of their properties like fastness, good exhaustion and combinability at 60 to 65 °C, and being able to impart only a light stain as well as trichromatic shades, acid dyes are good for fur skin dyeing.
  5. Dyeing of Double Weave Cloths: One of the dyes used to impart colour only double cloths are metal complex non-bleeding dyes. Double weave cloths or just double cloths are a type of woven textile where different sets of materials like sheep skins, weft yarns, etc are interconnected to form 2 layered cloths.
  6. Wood Staining and Coating: Wood is stained with colour to make it more attractive or to add colour to it. They can be stained in natural wood tones or another colour entirely. For this staining process, generally solvent soluble acid dyes are used. Acid dyes like metal complex dyes are also used to coat stained wood to increase durability and protection.
  7. Ink Formulation: Acid dyes can also be used to make ink for different uses like ink-jet printers, ink pads, ink for ball pens, ink for markers, etc. coloured ink in trichromatic form can also be made.
  8. Jute Dyeing: Jute fabrics and fibres are generally highly demanded to be bright, wash fast and light fast. For this reason, acid dyes with good light fastness properties are used to dye jute.
Sr. No. CI Name CI Name COMERCIAL NAME
1 ACID BLACK 194 KRIACID BLACK 194 KRIACID BLACK LBV
2 ACID BLACK 194 KRIACID BLACK 194 KRIACID BLACK MV
3 ACID BLACK 210 KRIACID BLACK 210 KRIACID BLACK BV
4 ACID BLACK 234 KRIACID BLACK 234 KRIACID BLACK SV
5 ACID BLACK 52 KRIACID BLACK 52 KRIACID BLACK DB
6 ACID BLACK 132 KRIACID BLACK 132 KRIACID BLACK DS
7 ACID BLACK 71/180 KRIACID BLACK 71 KRIACID BLACK DBP
8 ACID BLACK 84 KRIACID BLACK 84 KRIACID BLACK DD
9 ACID BLACK 213 KRIACID BLACK 213 KRIACID BLACK DDB
10 ACID BLACK 1 KRIACID BLACK 1 KRIACID BLACK BVJ
11 ACID BLACK 127 KRIACID BLACK 127 KRIACID BLACK PJ
12 ACID BLACK 603 KRIACID BLACK 603 KRIACID BLACK VJ
13 ACID BLUE 158 KRIACID BLUE 158 KRIACID BLUE NR
14 ACID BLUE 113 KRIACID BLUE 113 KRIACID BLUE CR
15 ACID BLUE 193 KRIACID BLUE 193 KRIACID BLUE GN
16 ACID BLUE 277 KRIACID BLUE 277 KRIACID BLUE SG
17 ACID BLUE 284 KRIACID BLUE 284 KRIACID BLUE VG
18 ACID BLUE 324 KRIACID BLUE 324 KRIACID BLUE KG
19 ACID BLUE 171 KRIACID BLUE 171 KRIACID BLUE KGN
20 ACID BROWN 75 KRIACID BROWN 75 KRIACID BROWN SR
21 ACID BROWN 425 KRIACID BROWN 425 KRIACID BROWN IS
22 ACID BROWN 432 KRIACID BROWN 432 KRIACID BROWN SS
23 ACID BROWN 161 /140 KRIACID BROWN 161 KRIACID BROWN SSP
24 ACID BROWN 83 KRIACID BROWN 83 KRIACID BROWN OS
25 ACID BROWN 355 KRIACID BROWN 355 KRIACID BROWN YS
26 ACID BROWN 365 KRIACID BROWN 365 KRIACID BROWN NS
27 ACID BROWN 98 KRIACID BROWN 98 KRIACID BROWN PN
28 ACID BROWN 414 KRIACID BROWN 414 KRIACID BROWN SN
29 ACID BROWN 58 KRIACID BROWN 58 KRIACID BROWN HR
30 ACID BROWN 188 KRIACID BROWN 188 KRIACID BROWN GH
31 ACID BROWN 322 KRIACID BROWN 322 KRIACID BROWN KH
32 ACID BROWN KK KRIACID BROWN KK KRIACID BROWN MK
33 ACID BROWN 282 KRIACID BROWN 282 KRIACID BROWN AK
34 ACID BROWN 434 KRIACID BROWN 434 KRIACID BROWN KK
35 ACID BROWN 191 KRIACID BROWN 191 KRIACID BROWN AM
36 ACID BROWN 235 KRIACID BROWN 235 KRIACID BROWN KM
37 ACID BROWN 97 KRIACID BROWN 97 KRIACID BROWN PN
38 ACID BROWN 360 KRIACID BROWN 360 KRIACID BROWN BP
39 ACID BROWN 348 KRIACID BROWN 348 KRIACID BROWN HP
40 ACID BROWN 349 KRIACID BROWN 349 KRIACID BROWN HB
41 ACID BROWN 56 KRIACID BROWN 56 KRIACID BROWN BPN
42 ACID GREEN 73 KRIACID GREEN 73 KRIACID GREEN RC
43 ACID GREEN 68 KRIACID GREEN 68 KRIACID GREEN MR
44 ACID GREEN 25 KRIACID GREEN 25 KRIACID GREEN CG
45 ACID ORANGE 142 KRIACID ORANGE 142 KRIACID ORANGE GJ
46 ACID ORANGE 74 KRIACID ORANGE 74 KRIACID ORANGE GG
47 ACID ORANGE 144 KRIACID ORANGE 144 KRIACID ORANGE CG
48 ACID ORANGE 76 KRIACID ORANGE 76 KRIACID ORANGE RUC
49 ACID ORANGE 67 KRIACID ORANGE 67 KRIACID ORANGE CGP
50 ACID RED 114 KRIACID RED 114 KRIACID RED BT
51 ACID RED 131 KRIACID RED 131 KRIACID RED HB
52 ACID RED 97 KRIACID RED 97 KRIACID RED SB
53 ACID RED 357 /242 KRIACID RED 357 KRIACID RED PS
54 ACID RED 119 KRIACID RED 119 KRIACID RED US
55 ACID RED 249 KRIACID RED 249 KRIACID RED KH
56 ACID RED 52 KRIACID RED 52 KRIACID RED LH
57 ACID RED 315 KRIACID RED 315 KRIACID RED KA
58 ACID RED 359 KRIACID RED 359 KRIACID RED KK
59 ACID RED 327 KRIACID RED 327 KRIACID RED RJ
60 ACID RED 427 KRIACID RED 427 ACID RED RJP
61 ACID VIOLET 90 KRIACID VIOLET 90 KRIACID VIOLET VJP
62 ACID VIOLET 17 KRIACID VIOLET 17 KRIACID VIOLET MVP
63 ACID YELLOW 194 KRIACID YELLOW 194 KRIACID YELLOW BVP
64 ACID YELLOW 110 KRIACID YELLOW 110 KRIACID YELLOW SVP
65 ACID YELLOW 42 KRIACID YELLOW 42 KRIACID YELLOW DBP
66 ACID YELLOW 151 KRIACID YELLOW 151 KRIACID YELLOW DSP
67 ACID YELLOW 220 KRIACID YELLOW 220 KRIACID YELLOW VJP
68 ACID YELLOW 232 KRIACID YELLOW 232 KRIACID YELLOW PJP
69 ACID YELLOW 199 KRIACID YELLOW 199 KRIACID YELLOW BM
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