Luminescent Zinc Sulfide Powder from United States
A phosphorescent powder based on zinc sulfide doped with copper or manganese, used in glow-in-the-dark paints and safety markings. It qualifies as an inorganic luminophore product based on zinc sulfide under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the product is not a separate chemically defined compound, as Chapter Note 1(a) excludes those
• Provide evidence of its luminophore function to support classification
• Ensure it is not put up in measured doses or for retail sale, per Section Note 2