Dispersant NNO (B)


Dispersant NNO possesses outstanding diffusibility and protective colloidal properties. However, it lacks surface activity such as penetration and foaming. It exhibits an affinity for protein and polyamide fibers while showing no affinity for fibers like cotton and hemp.

Uses of Dispersant NNO (B)

Dispersant NNO is mainly used as a dispersant in disperse dyes, vat fuels, reactive dyes, acid dyes and leather dyes. It has excellent grinding effect, solubilization and dispersibility; it can also be used as a dispersant in textile printing and dyeing, wettable pesticides, and papermaking. Dispersants, electroplating additives, water-soluble paints, pigment dispersants, water treatment agents, carbon black dispersants, etc. Dispersant NNO is mainly used in industry for vat dye suspension pad dyeing, leuco acid dyeing, disperse and soluble vat dye dyeing, etc. It can also be used for dyeing silk/wool interwoven fabrics, so that there is no color on the silk. Dispersant NNO is mainly used in the dye industry as a diffusion aid for dispersion and lake manufacture, rubber emulsion stability, and leather auxiliary tanning agents.

Specification of Dispersant NNO (B)

Dispersant NNO-B




Light Brown Powder

Dispersion force


pH (1% aq. Solution)






Insoluble impuries content


Ca+Mg content


Dosage of Dispersant NNO (B)

1. As a dispersed filler of disperse and vat dyes. Dosage is the 0.5~3 times of vat dyes or 1.5~2 times of disperse dyes.

2. For tied dye, dosage of dispersant NNO is 3~5g/L, or 15~20g/L of Dispersant NNO for reduction bath.

3. 0.5~1.5g/L for polyester dyed by dispersed dye in high temperature / high pressure.

4. Used in the dyeing of azoic dyes, dispersant dosage is 2~5g/L, dosage of dispersant NNO is 0.5~2g/L for development bath.

Packing And Storage of Dispersant NNO (B)

  • 25kg per bag.

  • Should be stored at room temperature in cool place with ventilation. Storage period is two years.

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