Zinc Sulfide Nanopowder from United States
Ultrafine zinc sulfide particles (<100nm) for quantum dot synthesis and anti-reflective coatings. This nanopowder is a chemically defined sulphide, classifiable under tariff item 2830.90.00, as particle size does not affect its chemical definition.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the nanopowder is not surface-treated with organic compounds that would alter its classification
• Provide a certificate of analysis showing purity and particle size distribution
• If the nanopowder is for quantum dots, verify it is not part of a finished product