Specification :

Dispersing Agent NNO
1. Property
Appearance Light-brown powder
Compose Naphthalene sulfonate formaldehyde condensate
synonym Sodium salt of poly naphthalene sulphonate
Ion type Negative ion
Solubility Easily dissolved in water
2. The main technical standard
Item Parameter
Disperse force( standard product) , % 95
Sodium sulphate content, % 18max
PH value( 1% water-solution) 7--9
Insolubles in water, % d 0.05
Content of calcium and magnesium ion, ppm d 4000

3. Performance and use
this product is light yellow to yellow-brown powder, an anion surface active agent. Easily soluble in water, acid, alkali and hard water. It has good dispersing property and affinity with protein and polyamide.
Usage:
Maily used for vat dye dyeing, reactive dye dyeing and acid dye dyeing. It can work as dispersant and leveling agent for acid staining pad and pigment pad dyeing; auxiliary for reducing dye powder and slurry. It can also be used in leveling agent in dyeing industry.
1 As dispersant in disperse dye, vat dye, reactive dye, acid dye and leather dye. It has good grinding effect, hydrotropy and dispersibility.
2) As dispersant in textile printing and dyeing industry: pigment pad dyeing of disperse dye; vat acid dyeing of disperse dye; dye for silk and feather mixture; soluble vat dye dyeing;
Etc. also can be used as dispersant for disperse dye and lake making; filler for commercial dye etc.
3) As dispersant in wettable pesticide and herbicide, the dispersibility and solubility of pesticide can be improved, dosage reference: 3-5% in buprofezin, 0.8-1.5% in topstn-methyl, 0.8-1% in kothrin.
4) As dispersant in electroplating industry, so that the cladding film can be equal and have a better brightness.
5) As auxiliary tanning agent in leather industry, used together with tanning agent ( ratio 1: 10) to avoid tanning agent stick with leather. Can also help to disperse dye to get a better appearance in color.