ThO2 Nanopowder for Scintillator Applications from United States
ThO2 nanopowder doped for use in radiation detection scintillators maintains its chemical definition as thorium dioxide. As a thorium compound, it falls under this tariff item.
Duty Rate — United States → Canada
PGA flags (2)Show detailsHide detailsCNSCImport ControlRequiredHCActive Pharmaceutical IngredientsMay be required
- CNSC
Import Control · Required
CANADIAN NUCLEAR SAFETY COMMISSION: CNSC Import Control (Controlled Nuclear Substance) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Starts With 28443).
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2844. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• Confirm that the nanopowder is not doped for electronics, which would fall under heading 38.18
• Provide particle size analysis and chemical purity documentation
• Ensure proper handling and labelling for nanomaterials