Sodium lignosulfonate is first generation concrete admixture.It is made of wood pulp, a anionic surfactant. Has retarding effect and water reducing effect. Sodium lingosulfonate is yellow brown powder, can be combined into early strength agent, retarder, antifreeze, pumping agent, combined with naphthalene superplasticizer to liquid admixtures has no precipitate formed. Sodium lignosulfonate can be used as an admixture for polymers and concrete. It has the advantages of low cost and environmental friendliness.
