Sodium Lignosulfonate Liquid from Japan
Sodium lignosulfonate is the sodium salt of lignin sulfonic acid obtained as a spent sulfite liquor from wood pulp production, often concentrated for use as a dust suppressant and concrete plasticizer. Classified under HTS 3804.00.10.00 due to its origin as a lignin sulfonic acid salt from the wood pulping process.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include pulp mill origin certification to distinguish from synthetic sulfonates that might classify elsewhere
• Declare exact concentration and Brix value; highly diluted solutions risk scrutiny as waste liquids
• Comply with DOT shipping regs for corrosive liquids (pH typically <2) with appropriate UN packaging