products > reactive dye
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.