Ditungsten Trioxide (W2O3) Technical Grade from Japan
Ditungsten trioxide (W2O3) is a technical-grade tungsten oxide used in alloy production and high-temperature ceramics. It is a chemically defined compound of tungsten and oxygen, falling under Chapter 28. Tariff item 2825.90.00 applies as an 'other' metal oxide, provided the product is not mixed with other substances.
Duty Rate — Japan → Canada
PGA flags (2)Show detailsHide detailsCFIAAll ProgramsRequiredHCActive Pharmaceutical IngredientsMay be required
- CFIA
All Programs · Required
CANADIAN FOOD INSPECTION AGENCY: CFIA All Programs requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Equal To 2825900000).
- 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 2825. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• Verify the exact stoichiometry of the tungsten oxide, as different oxides may be classified differently
• Provide the CBSA with the chemical formula and purity analysis
• If the product is used in ceramics with other additives, classification may shift