U.S. Customs and Border Protection · CROSS Database · 2 HTS codes referenced
Primary HTS Code
:4005.10.0000
$34.0M monthly imports
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Ruling Age
29 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-30 · Updates monthly
The tariff classification of Compounded Santoprene Rubber Products from England
NY B80440 February 6, 1997 CLA-2-40:RR:NC:2:240 B80440 CATEGORY: Classification TARIFF NO.:4005.10.0000; 4005.99.0000 Mr. Richard M. Belanger Powell, Goldstein, Frazer & Murphy 1001 Pennsylvania Avenue, N.W. Washington, D.C. 20004 RE: The tariff classification of Compounded Santoprene Rubber Products from England Dear Mr. Belanger: In your letter dated December 12, 1996, you requested a tariff classification ruling on behalf of your client Advanced Elastomer Systems. Vulcanized dumbbell samples of six compounded santoprene rubber products were submitted with your inquiry. Based on the lab analysis, product numbers 211-45, 111-45, 201-87, 101-87, 203-40 and 103-40 met the requirements of Chapter 40, note 4(a) for synthetic rubber. Product numbers 211-45, 201-87, 101-87 and 203-40 did not contain carbon-black. Product numbers 111-45, 101-87 and 103-40 contained carbon black. The applicable subheading for Compounded Santoprene product numbers 111-45, 101-87 and 103-40 will be 4005.10.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for compounded rubber, unvulcanized, in primary forms or in plates, sheets or strip: compounded with carbon black or silica. The rate of duty will be free. The applicable subheading for Compounded Santoprene product numbers 211-45, 201-87, and 203-40 will be 4005.99.0000, Harmonized Tariff Schedule of the United States (HTS), which provides for compounded rubber, unvulcanized, in primary forms or in plates, sheets or strip: other: other. The rate of duty will be free. 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 Stephanie Joseph at 212-466-5768. Sincerely, Gwenn Klein Kirschner Chief, Special Products Branch National Commodity Specialist Division