Manufacturing Companies for China Polynaphthalene Sulphonic Acid (NNO) Dispersant for Dye Industry

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Dispersant(NNO-C)

Introduction Dispersant NNO is an anionic surfactant, chemical composition is naphthalenesulfonate formaldehyde condensate, brown powder, anion, easily soluble in water, resistant to acid, alkali, heat, hard water, and inorganic salt; has excellent diffusibility And protective colloid performance, but no surface activity such as osmotic foaming, and affinity for protein and polyamide fibers, but no affinity for fibers such as cotton and linen. Indicators

Test Items	Test Standard	Test Results
Appearance	Light Yellow Powder	Light Yellow Powder
pHPH Value	7-9	7.34
Dispersion Force	≥100	104
Na2SO4	≤22%	18.2%
Solid Content	≥93%	93.2%
Total Content of Ca and Mg	≤0.15%	0.1%
Free Formaldehyde (mg/kg)	≤200	120
Water Insoluble	0.15%	0.082%
Fineness (300μm)	≤5%	0.12%

Construction: The dispersant NNO is mainly used as a dispersant in disperse dyes, vat dyes, reactive dyes, acid dyes and leather dyes, with 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 pad dyeing of vat dye suspension, leuco acid dyeing, and dyeing of dispersive and soluble vat dyes. It can also be used for dyeing silk/wool interwoven fabrics, so that there is no color on the silk. The dispersant NNO is mainly used in the dye industry as a dispersion aid in dispersion and lake manufacturing, rubber emulsion stability, and leather tanning aid. Package&Storage: Packing: 25KG/bag, double-layered packaging with plastic inner and outer braid. Storage: Keep dry and ventilated storage links to avoid dampness and rainwater soaking.