U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
3810.10.0000
$4.2M monthly imports
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Court Cases
1 case
CIT & Federal Circuit
Ruling Age
32 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data, CourtListener (CIT/CAFC) · As of 2026-04-29 · Updates monthly
The tariff classification of Nocolok Flux from Germany.
NY 888580 August 6, 1993 CLA-2-38:S:N:N7:235 888580 CATEGORY: Classification TARIFF NO.: 3810.10.0000 Ms. Carol Schneiders Satriano Import Department Supervisor Solvay Performance Chemicals 41 West Putnam Avenue Greenwich, Ct 06830 RE: The tariff classification of Nocolok Flux from Germany. Dear Ms. Satriano: In your letter dated July 15, 1993, you requested a tariff classification ruling. According to your letter, the product indicated above, is composed of three different potassium aluminates in varing percentages. It has been designed to be used as a flux in the brazing of radiator parts. The applicable subheading for the product described above will be 3810.10.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for fluxes. The rate of duty will be 5 percent ad valorem. This ruling is being issued under the provisions of Section 177 of the Customs Regulations (19 C.F.R. 177). A copy of this ruling letter should be attached to the entry documents filed at the time this merchandise is imported. If the documents have been filed without a copy, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport