Calcium Tungstate Scintillation Crystals from United States
Synthetic single crystals of calcium tungstate grown for use as scintillation detectors in radiation measurement equipment. Classified as chemically defined calcium tungstates under this tariff item, these crystals emit light when exposed to ionizing radiation.
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 crystals are mounted or polished for use in detectors, they may be classified as optical elements under Chapter 90
• Provide the end-use documentation to support classification as unworked crystals
• Ensure the crystals are properly packed to prevent damage during transport