Technical Grade CMC Powder for Detergents from Mexico
Technical carboxymethylcellulose powder with ≥90% CMC content, used in laundry detergents as anti-redeposition agent. HTS 3912.31.00.10 applies due to predominant monomer unit per chapter note (a)(4). Supplied as free-flowing powder in industrial packaging.
Duty Rate — Mexico → United States
16.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify viscosity grade and purity via COA; segregate from food-grade shipments to avoid cross-contamination claims
• Pitfall: declaring as 'detergent additive' risks shift to 3402