Calcium Tungstate Luminescent Powder from United States
Fine calcium tungstate powder activated for blue luminescence in cathode ray tubes and lighting phosphors. It is a chemically defined tungstate of calcium, classified under this tariff item per Chapter 28 notes, and used in legacy display technologies.
Duty Rate — United States → Canada
PGA flags (1)Show detailsHide detailsHCActive Pharmaceutical IngredientsMay be required
- 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 2841. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• If the powder is activated with rare earth elements, provide the full chemical composition to ensure correct classification
• Note that products of a kind used as luminophores may fall under Chapter 32 if put up for that specific use
• Keep documentation of the activation process to support the tariff classification