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HTS heading 2843: Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals

Heading 2843 of the US Harmonized Tariff Schedule covers Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 2843 at a glance

Goods named in this heading (official line texts): Colloidal p…, Silver nitrate, Gold compou….

Subheadings (6-digit)

All tariff lines in heading 2843

LineDescriptionGeneralSection 301 (China)Exclusions
2843.10.00Colloidal precious metals; inorganic or organic compounds of precious metals, wh…: Colloidal p…5.5%List 3 +25%
2843.21.00Silver compounds: Silver nitrate3.7%List 3 +25%
2843.29.01Silver compounds: Other3.7%List 3 +25%
2843.30.00Colloidal precious metals; inorganic or organic compounds of precious metals, wh…: Gold compou…5%List 3 +25%
2843.90.00Colloidal precious metals; inorganic or organic compounds of precious metals, wh…: Other compo…3.7%List 3 +25%

All of chapter 28 · Chapter 28 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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