Technical Grade Ammonium Tungstate from Germany
Technical grade ammonium tungstate (85-90% purity) is used in fabric fireproofing and leather tanning. It qualifies as an ammonium tungstate salt despite lower purity, as Chapter 28 note 1(a) permits impurities in chemically defined compounds.
Duty Rate — Germany → 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
• Clearly state the purity range (85-90%) on the commercial invoice to avoid valuation disputes
• If the product contains impurities that affect its use, provide a full chemical analysis to support classification
• Verify whether the product meets Canadian workplace safety standards for the stated end-use