Colloidal Silver Suspension from Japan
Liquid dispersion of silver nanoparticles for antimicrobial applications in supplements and wound dressings. Falls under HTS 2843.10.00.00 as it is a colloidal form of the precious metal silver, with particles suspended without settling.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Test for true colloidal state vs ionic silver, as ionic solutions classify differently
• Include safety data sheets due to potential antimicrobial claims triggering FDA oversight
• Declare exact silver concentration to prevent undervaluation penalties