2830.90.10.00—Sulfides; polysulfides, whether or not chemically defined, zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weightGeneral
Free
Units
kg
Column 2
11%
Special
—
Supplier development
Tandom’s paid supplier-development service helps industrial buyers identify and evaluate alternative manufacturers, compare quotes, qualify samples, and prepare a first order. Buyers retain supplier approval and all customs and compliance decisions.
Exporting to the United States
Tandom’s Americas Desk works with manufacturers outside the United States on the commercial side of entering it: buyer research, targeted outreach, qualifying the opportunities that come back, quote support, and follow-up.
HTS 2830.90.10.00 is the U.S. Harmonized Tariff Schedule classification for Sulfides; polysulfides, whether or not chemically defined, zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight. It's a 10-digit statistical line in Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 flags or potentially relevant AD/CVD order flags are linked to this code in Tandom's current catalog view.
New to HTS codes? Read our guide on how HTS classification works →
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 2830.90.10.00 is the U.S. Harmonized Tariff Schedule classification for Sulfides; polysulfides, whether or not chemically defined, zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight. It belongs to Chapter 28 of the HTSUS.
The general (Column 1) duty rate for HTS 2830.90.10.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 2830.90.10.00 is 11%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Belarus, Cuba, North Korea, and Russia).
No Chapter 99 flags are linked to HTS 2830.90.10.00 in Tandom's current catalog view. Use the calculator's date, origin, and product inputs to check a specific entry scenario.
Tandom's current catalog view links no potentially relevant AD/CVD order flags to HTS 2830.90.10.00. Check current Commerce scope materials and Federal Register notices before relying on an HTS-only screen.
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