U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2850.00.5000
$2.1M monthly imports
Compare All →
Ruling Age
29 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-01 · Updates monthly
The tariff classification of Nitrosil 20 - Ferro Silicon Nitride from France
NY A85551 July 25, 1996 CLA-2-28:RR:NC:FC:236 A85551 CATEGORY: Classification TARIFF NO.: 2850.00.5000 Mr. Alvin Silvey Silvey Shipping Co., Inc Bldg. 75, North Hangar Road JFK International Airport Jamaica, NY 11430 RE: The tariff classification of Nitrosil 20 - Ferro Silicon Nitride from France Dear Mr. Silvey: In your letter dated July 2, 1996, you requested a tariff classification ruling. The sample submitted, Nitrosil 20 - Ferro Silicon Nitride, consists primarily of silicon (54%), nitrogen (22%), oxygen (6%), iron (14%), aluminum (3%) and calcium (0.5%). The product literature indicates that Nitrosil is principally used in alumina and silicon carbide based refractories which use calcium aluminate or resin bonding systems. The applicable subheading for the Nitrosil 20 - Ferro Silicon Nitride will be 2850.00.5000, Harmonized Tariff Schedule of the United States (HTS), which provides for hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: Other. The rate of duty will be 3.7 percent ad valorem. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist V. Gualario at 212-466-5744. Sincerely, Roger J. Silvestri Director National Commodity Specialist Division