another name：

Alkyl naphthalene sulphonate 

Nature:

Appearance: maize or light yellow uniform powder

Performance: good diffusivity and protective colloid, no permeability and formability.

Water solubility: easy solubility in water

Acidity and Basicity: 1% aqueous solution 7-8

Ionization: anion

Affinity: has affinity to protein and polyamide fiber, has no affinity to fiber such as cotton, flax etc…

Compatibility: can be used with anion and nonionic surfactant in the same time

Stabilization: acid resistance, alkali resistance, hard water resistance, salt resistance

purpose：

In dyeing and printing industry, it mainly used in the reduction of pigment pad dyeing, leuco acid dyeing method, solubilised vat dyes and dispersion vat dyes. It also used in dyeing of silk wool fabric. In dyestuff industry ,it mainly used as dispersity filler and diffusion additives which used during making color lake，rubber emulsion stabilizer and tanning agent. It is easy solubility in water. It has stability to acid, alkali and hard water. It also has good dispersion and suspension property. It used as emulsifier, softener in the production of synthetic rubber. It also used as detergent, Dyeing auxiliary, dispersing agent, etc...