Introduction Sodium lignosulphonate is an anionic surfactant. It is a reaction product of wood pulp and sulfur dichloride aqueous solution and sulfite. It is a by-product of pulp production. Specifications Appearance : Yellow Brown Powder PH value : 12-14 Solid content 93% Lignin content 55% Application 1. In construction industry.it can be applied as common water reducing admixture and built material of series multifunction high-performance water reducing admixtures. 2. In the briquetting procedure,it can be adopted as the adhesives. 3. In the fields of pottery and porcelain and refractory materials,it can be used as embryo reinforcing agents. It can increase the fluidity of the slurry and thus to improve the strength of the embryo. 4. In the field of water-coal paste, it can be adopted as the main compound materials. 5. In agriculture, it can be applied as the dispersant agents of pesticides and pelleting adhesives of friliers and feedstufs. 6. In leather industry,it can be used as tanning agent. 7. In dye,it can be used a fling agent and dispersant of vat dye and disperse dye. 8. In the boiler,it can be used a scale remover.