Technical Grade Calcium Tungstate from United States
Technical grade calcium tungstate granules used as a flux in welding electrodes and metallurgy to stabilize tungsten content. It qualifies as a salt of tungstic acid of calcium under this tariff item, despite its industrial-grade purity.
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
• Specify the granule size and purity on the commercial invoice for accurate classification
• If the product is used in welding electrodes, note the end-use on the customs declaration
• Verify whether the product is subject to any Canadian workplace safety regulations for the stated application