Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 6909.12.00.00 is the U.S. Harmonized Tariff Schedule classification for Articles having a hardness equivalent to 9 or more on the Mohs scale. It's a 10-digit statistical line in Chapter 69: Ceramic products, Section XIII: Articles of Stone, Plaster, Cement, Asbestos, Mica or Similar Materials; Ceramic Products; Glass and Glassware, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
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.
The tariff classification of ceramic pistons and sleeves from Germany.
The tariff classification of a ceramic seal from China.
The tariff classification of a porcelain ceramic roller, ceramic diffuser disc, ceramic filter plate and a porcelain ceramic blank from Germany or China.
The tariff classification of a ceramic brick from Belgium.
The tariff classification of a Diesel Particulate Filter from Japan.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 6909.12.00.00 is the U.S. Harmonized Tariff Schedule classification for Articles having a hardness equivalent to 9 or more on the Mohs scale. It belongs to Chapter 69 of the HTSUS.
The general (Column 1) duty rate for HTS 6909.12.00.00 is 4%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Yes. Imports of HTS 6909.12.00.00 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
The Column 2 rate for HTS 6909.12.00.00 is 45%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 6909.12.00.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
No active AD/CVD orders currently flag HTS 6909.12.00.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Free Trade Agreement and special-program eligibility
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