Product Introduction: Sodium lignosulfonate is an anionic surfactant that is a byproduct of the reaction between wood pulp and aqueous solution of sulfur dichloride and sulfite. It is also a byproduct in the production of pulp. Specifications: Appearance: Brown black powder PH value: 10-12 Solid content ≥ 93% Lignin content ≥ 52%

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