</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Fine Ground Quartz Glass Powder from Canada

Ultra-fine powder from synthetic quartz glass, pulverized for precision ceramic coatings and glass frits. Under HTS 3207.40.10.00 as ground glass for the glass industry, excluded from chemical compounds per chapter notes. Ideal for high-purity applications.

Duty Rate — Canada → United States

16%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include spectrographic analysis proving glass form over pure silica compound

Use nitrogen-purged packaging for purity-sensitive imports