Desugared Black Liquor Solids from Mexico
Desugared solids recovered from spent sulfite pulping liquor, containing primarily lignin sulfonates for use in gypsum board production. HTS 3804.00.5000 includes such concentrated, chemically treated residual lyes from wood pulp manufacture.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document sugar removal process to qualify as 'desugared' per heading terms
• Provide lignin content certificates; minimum thresholds apply for classification
• Check REACH-like compliance for EU-sourced materials