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%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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