U.S. Customs and Border Protection · CROSS Database · 2 HTS codes referenced
Primary HTS Code
2818.10.2000
$6.2M monthly imports
Compare All →
Ruling Age
33 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-01 · Updates monthly
The tariff classification of brown aluminum oxide and blacksilicon carbide from China.
NY 873626 May 11, 1992 CLA-2-28:S:N:N1:235 873626 CATEGORY: Classification TARIFF NO.: 2818.10.2000 and 2849.20.2000 Ms. Susan J. Taillon Administrative Assitant MSL Holdings Ltd. 1530 McDaniel Drive, Westtown Business Center West Chester, PA. 19380 RE: The tariff classification of brown aluminum oxide and black silicon carbide from China. Dear Ms. Taillon: In your letter dated April 14, 1992, you requested a tariff classification ruling. The applicable subheading for brown aluminum oxide will be 2818.10.2000, Harmonized Tariff Schedule of the United States (HTS), which provides for corundum. The rate of duty will be 0.7 cents per kilogram. The applicable subheading for silicon carbide will be 2849.20.2000, HTS. The rate of duty will be 0.7 cents per kilogram. 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