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e type reactive dyes

this series are wool reactive dyestuffs with high performance. it contains double reactive groups, with its water fastness , high stability, good performance in wet fastness and free of heavy metals, can meet oeko-tex100 environmental demands.

main features

e reactive dyes is a kind of economical wool reactive dyes, especially for wool & cellulose fibre  dyeing process .

* simpl dyeing process is & easy to operate
* especially suitable for the dark stain with high absorption rate and fixation rate
* excellent color fastness properties
* highly competitive price

 

color sample product c.i.no.
reactive yellow e-r 100%  
reactive red e-gl 100%  
reactive red e-b 100%  
reactive blue e-r 100%  
reactive blue e-g 100%  
reactive brown e-rn 100%  
reactive brown e-br 100%  
reactive navy blue e-d 100%  
reactive black e-b 100%  
reactive black e-rh 100%  

 

technology of dyeing
(for example of wool, only for reference)

dye dissolved: dyes beat with cold water, stir in not more than 60 ℃ warm water to dyes completely dissolved, then cooling & filter, join to the dyes vat.

process of graphs

dyeing prescription
a: penetrant  ca   0.5-1 g/l

   dye leveller b    1-2 g/l

   acetic acid        x g/l

   adjust ph=4.5-7

b:dyes       x%

 

washing crafts 
put the sodium carbonate or ammonium hydroxide to the dye bath, adjust the ph to 8-8.5, and keep 15-20mintues under the temperature of 80-85℃. then fully washed it by cold water and adjust the dye bath to ph=5 by the acetic acid.



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