Sodium Lignosulfonate Powder from Japan
Sodium lignosulfonate is a water-soluble anionic polyelectrolyte derived from the sulfite pulping process of wood pulp production. It falls under HTS 3804.00.5000 as a residual lye from wood pulp manufacture, chemically treated and concentrated for use as a dispersant, binder, and dust suppressant in industrial applications.
Duty Rate — Japan → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify chemical composition via lab analysis to confirm lignin sulfonate content meets residual lye criteria
• Obtain certificates of origin proving derivation from wood pulp sulfite process to avoid misclassification
• Ensure proper SDS and waste byproduct documentation, as it may trigger environmental import restrictions