Synthetic Cupric Oxide Crystals from Canada
Laboratory-grown cupric oxide single crystals for optical and research applications. Qualifies under HTS 2825.50.10.00 as chemically defined, excluding cultured crystals >2.5g of certain halides per notes. Used in spectroscopy studies.
Duty Rate — Canada → United States
14.3%
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
• Weigh crystals to confirm under exclusion thresholds; document growth method
• HTS ruling may be needed for crystal purity
• Handle as lab chemical with proper hazmat