Lithium Tungstate Crystals from China
Lithium tungstate (Li2WO4) crystals are unworked chemical compounds used in nonlinear optics and as a metallurgical flux. They are classified under tariff item 2841.80.00 as tungstates (wolframates), being a separate chemically defined salt of an oxometallic acid. The crystals are in an unworked form, consistent with the chapter's scope for chemical elements and compounds.
Duty Rate — China → 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
• Ensure the crystals are unworked (not cut into discs or wafers) to qualify for this tariff item
• Have a certificate of analysis or technical datasheet ready to confirm the chemical identity (Li2WO4) and purity
• Verify whether the goods are for industrial use, as end-use may affect applicable duties or permits