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Milestone Vat Dyes [ Inquiry For This Product ]
   
Vat Yellow 5G
Vat Yellow 2
0.5% 2.0%
   
Gold. Yellow GK
Vat Yellow 4
2.0% 5.0%
   
Gold. Yellow RK
Vat Orange 1
0.5% 2.0%
   
Vat Yellow 3RT
Vat Orange 11
0.5% 2.0%
   
Vat Violet RR
Vat Violet 1
0.5% 2.0%
   
Vat Violet 3B
Vat Violet 9
0.5% 2.0%
   
Vat Megenta B
Vat Violet 3
0.5% 2.0%
   
Vat Blue BR
Vat Blue 18
0.5% 2.0%
   
Vat Blue VH
1.0% 3.0%
   
Vat Blue G
Vat Blue 16
0.5% 2.0%
   
Dark Blue BO
Vat Blue 20
0.5% 2.0%
   
Vat Blue RRR
Vat Blue 4
0.5% 2.0%
   
Vat Blue BC
Vat Blue 6
0.5% 2.0%
   
Vat Green FFB
Vat Green 1
0.5% 2.0%
   
Vat Green 2G
Vat Green 2
0.5% 2.0%
   
Vat Green B
Vat Green 3
0.5% 2.0%
   
Vat Khaki 2G
Vat Green 8
0.5% 2.0%
   
Vat Brown R
Vat Brown 3
0.5% 2.0%
   
Vat Brown G
Vat Brown 68
0.5% 2.0%
   
Vat Brown BR
Vat Brown 1
0.5% 2.0%
   
Vat Brown RRD
Vat Brown 5
0.5% 2.0%
   
Vat Olive R
Vat Brown 27
0.5% 2.0%
   
Vat Olive D
Vat Black 25
0.5% 2.0%
   
Vat Gray 3B
Vat Black 16
0.5% 2.0%
   
Vat Gray 2B
1.0% 4.0%
   
Vat Gray 4B
1.0% 4.0%
   
Vat Black RB
Vat Black 9
1.0% 4.0%
   
Direct Black AC
Vat Black 34
0.5% 2.0%
   
Vat Black CH
1.0% 4.0%
   
Vat Black BB
Vat Green 9
2.0% 5.0%

» Click Here to see Technical Detail For Vat Dyes

› Application
Milestone Vat Dyes are used for dyeing cellulosic fibres such as cotton linen. Viscose and blends of these fibers.

Unique fastness properties Especially Suitable for

› Workwear and uniforms
Contract workwear, hospital, military, Police, fire brigade, postal services, hotels, Factory uniforms etc.

› Household fabrics
Bed linen, table linen, toweling

› Outwear, leisure wear
Shirting and sports fabrics

› Furnishings
Curtaing and upholstery fabrics

› Waterproof fabrics
Tents and awnings

› Yarn dyeing
Yarns for multicoloured woven and piece bleaching; sewing and embroidery threads

› Special Characteristics
• Short Dyeing time
• Outstanding reproducibility
• Maximum processing fastness (hypochlorite bleach, peroxide bleach)
• Maximum service fastness (repeated washing and washing at the boil)
• Maximum fastness to light and weathering

› Commercial forms available
Milestone vat Dyes are supplied in press
Cake, ultra cons power, power fine and also
Some in colloisol form.

› Dye classification
Milestone Vat Dyes are divided as per their properties

Dyeing Process

Optimum Dyeing Temp.

Alkalinity of dye bath

Remarks

AQ1

50 - 60 °C

High      ,

High affinity

AQ2

45 - 50 °C

Medium

Medium affinity

AQ3

25 - 30 °C

High

High affinity

AQ4

75 - 80 °C

medium

Mainly for black shades

› General
Milestone Vat Dyes are insoluble in water and have a low affinity. For the dyeing process, dyestuffs must be converted by alkali and reducing agent into water soluble form. The usual reducing agent is Sodium Hydrosulphite. After application the dye must be converted by oxidation back into the insoluble form.

› Dyeing Process
1. Exhaust Dyeing Process
Yarn can be dyed with pigmentation, semi-pigmentation, Leuco (dyeing from the vat), high temperature process. In pigmentation process, the dye is vatted at optimum temperature. To improve the bath exhaustion, the dyeing temperature is reduced towards the end of the dyeing process. Semi-pigmentation process is mainly used to obtain medium to dark shades on pretreated yarn. Leuco process is employed mainly for dark shades. High temperature dyeing improves dye penetration, better dyeing of crossover points and good levelness.
2. Padding Process
Pad-steam & Wet-steam processes are continuous dyeing process. In Pad-steam, the dye is padded on in pigment form together with a wetting agent and antimigrant. It is the dried, the fixing agents are padded on, and the dye is developed in a steamer.
In Wet-steam process is continuous process without intermediate drying and useful for qualities with high possible liquor pick-up. It reduces migration and enhances dye penetration.

› Rinsing, Oxidation and Soaping
After dyeing, various methods of oxidation and soaping are used as per the dyeing process employed.

› Special Note
Milestone Black BB requires hypochlorite bleaching after treatment to develop black shade.
 
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