High-Purity Zinc Sulfide (99.99%) for Thin Films from China
Ultra-pure zinc sulfide granules for physical vapor deposition (PVD) in optical thin films. This chemically defined sulphide is classifiable under tariff item 2830.90.00, as it is not in a worked form excluded by Chapter 28 notes.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the granules are not doped for electronic applications, which could affect classification
• Provide documentation on the PVD process and purity
• If the granules are for optical coatings, verify they are not part of finished optical elements