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