Sea-Nine 211N DCOIT Marine Antifouling Biocide from Canada
A concentrated formulation of 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) used in marine paints to prevent barnacle and algae growth on ship hulls. Classified under HTS 3808.99.3000 due to its specific isothiazolinone active ingredient in a formulated biocide preparation for controlled application.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm TSCA pre-manufacture notice compliance for DCOIT; Include end-use statement for marine antifouling to avoid misclassification; Check state-specific VOC regulations for paint additives