Thursday, July 16, 2009

Today Post::Cotton Fabric Dyeing With Reactive Dyes

Cotton Fabric Dyeing process with Reactive Dyes

Cotton fabric after pre-treatments e.g desizing, scouring & bleaching can be dyed using the following recipe:

Reactive Dyes————————–X%
Sequestering agent—————–0.5 G/L
Wetting agent———————–0.1-0.5 G/L
Ant-creasing agent——————0.5-2.0G/L
Salt————————————10-80 G/L
Soda———————————–2-20G/L
Temperature ————————-60-80 Degree
Dyeing time————————- 60 minute.

When the dyeing is complete, drain-off the dye liquor. Wash he fabric with hot water at 40 degree c & hen with cold water. Again wash the dyed fabric with 1-3 G/L soap or detergent at 60 degree – 80 degree c for at least 10 minutes. Then drain –off the washing liquor. Again wash the dyed fabric with hot water & then with cold water.
Finally, take out the dyed fabrics from the machine, hydroextuct the fabric and dry the fabric passing through stenter m/c any other drying machine.

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