SARAKOL-738 | Economical washing-off agent

Product Information

Sarakol-738 is an economical washing-off agent available in powder form. Sarakol-738 is recommended as a washing off agent for reactive dyes in batch operation as well as in continuous operation. It is also suitable for Disperse print washing. Sarakol-738 helps in easy removal of unfixed dyes after dyeing operation.

Key Features & Benefits
Key Features Benefits
Good dispersing action
Hydrolyzed dye and unfixed dye remain in the dye bath
Does not complex with dyestuffs
Colour yield or tone not affected
General Characteristics
Physical appearance
Off white powder
Ionic nature Anionic
pH of 1% solution 11 +/- 1
Miscibility Soluble in water
Compatible with nonionic and anionic products
Stable to dilute acids and dilute alkalies
  1. Washing off by Batch Operation in Jigger, winch, softflow machines 
    • 0.3-0.8 g/l Sarakol-738
    • 0.1-0.2 g/l Kalium-NNS (Conc) (optional)
    • pH adjusted to 7, Residual salt concentration should be less than 2 g/l before soaping.
    • Carry out soaping at 90-95deg.C for 10-30 min., hot wash, cold wash, neutralise. Repeat soaping in fresh bath for dark and difficult shades. Dyefixing to be done for dark and difficult shades if required.
  2. Soaping of reactives & vat dyes on winch washer 0.3-0.8 g/l Sarakol-738 at 95 deg.C.
  3. Soaping of Disperse Dyes 0.5 g/l – 0.75 g/l at 95 deg.C for 10 mins. No need to adjust pH 

Instructions For Dilution

Procedure to prepare 30% Sarakol-738

Take 70 parts of water in vessel add 30 parts of Sarakol-738 stir slowly till homogeneous solution is obtained.


30% solution may show fine particle however how ever it has no effect on the final results. (stir well and use).

Preservation: It is recommended to add 0.1% Bronopol (2-Bromo,2-nitropropane, 1,3-diol) or Methyl Paraben (methyl para hydroxy benzoate) as an antimicrobial agent to avoid fungal/microbial growth. 


Storage : Store in cool, ventilated shed away from heat and direct sunlight. Storage temperature should not exceed 35 deg C.Close lids firmly to avoid contact with air and moisture.

Shelf Life : 9 months from the date of manufacturing, if stored under controlled conditions.

The above information is given in good faith and is without warranty

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