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

Colloidal Silver Nanoparticles from Canada

Water-based colloid of silver nanoparticles for textile antimicrobial treatments. HTS 2843.10.00.00 covers this as a precious metal colloid used industrially.

Duty Rate — Canada → United States

15.5%

Rate breakdown

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

Import Tips

Provide EPA registration if claiming pesticidal activity upon import

Test for agglomeration to confirm colloidal import status

Declare as nanomaterial per TSCA inventory rules