Calcium Lignosulfonate Liquid from Germany
Calcium lignosulfonate is a concentrated liquid residual lye from wood pulp sulfite digestion, used primarily as a concrete plasticizer and animal feed pellet binder. Classified under HTS 3804.00.5000 due to its origin as tall oil-free lignin sulfonates from the pulping process.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Check pH and metal content specs to distinguish from similar dispersants in other chapters
• Provide pulping process certification; concentrated forms still qualify as residual lyes
• Comply with TSCA registration for chemical import notifications