Colloidal Silver Nanoparticles
Water-based colloid of silver nanoparticles for textile antimicrobial treatments. HTS 2843.10.00.00 covers this as a precious metal colloid used industrially.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If silver sulfadiazine complex
Complex silver salts with organics may classify under sulfites.
If as insecticide or disinfectant
Pesticidal products containing silver shift to disinfectants heading.
If pigment in synthetic organic coloring
If used as colorant, may fall under pigments chapter.
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Import Tips & Compliance
• Provide EPA registration if claiming pesticidal activity upon import
• Test for agglomeration to confirm colloidal import status
• Declare as nanomaterial per TSCA inventory rules
Related Products under HTS 2843.10.00.00
Colloidal Gold Solution
A stable suspension of gold nanoparticles in water or other solvent, used in medical diagnostics and nanotechnology applications. Classified under HTS 2843.10.00.00 as colloidal precious metals because it consists of finely divided gold particles dispersed in a liquid medium, meeting the definition of a colloid.
Colloidal Silver Suspension
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.
Colloidal Platinum Dispersion
Aqueous suspension of platinum nanoparticles employed as a catalyst in chemical reactions and fuel cells. Classified in HTS 2843.10.00.00 due to its colloidal precious metal composition, where platinum particles are evenly dispersed.
Colloidal Palladium Solution
Stable liquid colloid of palladium nanoparticles used in hydrogenation catalysis and electronics. HTS 2843.10.00.00 applies as it is a dispersion of precious metal palladium in colloidal form.
Colloidal Gold Diagnostic Reagent
Gold nanoparticle colloid conjugated with antibodies for lateral flow assays in pregnancy tests. Remains under HTS 2843.10.00.00 if imported as bulk colloid prior to conjugation.
Colloidal Platinum Catalyst Precursor
Ethanol dispersion of platinum nanoparticles for depositing onto fuel cell electrodes. Classified as colloidal precious metal under HTS 2843.10.00.00.