Mixed C4-C6 Alcohol Antifoam from Mexico
Blend of butanol, hexanol for foam control in fermentation tanks. All C11-lower acyclic monohydric alcohols qualify for HTS 3824.99.9310 classification as NES chemical preparation.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Fermentation compatibility certificates prevent food contact issues
• Blend ratio analysis via NMR confirms C11-lower compliance
• Biostatic claims require EPA registration if antimicrobial