Technical Grade Cuprous Oxide for Antifouling Paints from Canada
Technical-grade cuprous oxide powder (Cu2O) with 97% minimum purity, specifically formulated for use in marine antifouling paints to prevent biofouling on ship hulls. Classified under HTS 2825.50.20.00 as pure cuprous oxide, a copper(I) oxide meeting Chapter 28 definitions for metal oxides.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide end-use statements if destined for marine applications to preempt EPA pesticide classification reviews
• Ensure packaging prevents oxidation; declare as 'cuprous oxide, technical grade' on commercial invoice
• Comply with US Coast Guard regulations for antifouling biocides during import clearance