Base
N2789022016-09-30New YorkClassification

The tariff classification of methyl methacrylate-butadeine-styrene copolymers (CAS-25053-09-2) from Korea

U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced

Cross-Source Intelligence

Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-29 · Updates monthly

Summary

The tariff classification of methyl methacrylate-butadeine-styrene copolymers (CAS-25053-09-2) from Korea

Ruling Text

N278902 September 30, 2016 CLA-2-39:OT:RR:NC:N2:421 CATEGORY: Classification TARIFF NO.: 3903.90.1000 Ellen Kim LG America Inc. 3475 Piedmont Road NE, Suite 1200 Atlanta, Georgia 30305 RE: The tariff classification of methyl methacrylate-butadeine-styrene copolymers (CAS-25053-09-2) from Korea Dear Ms. Kim: In your letter dated August 25, 2016 you requested a tariff classification ruling. The items under consideration are two methyl methacrylate-butadeine-styrene (MBS) copolymers identified as MB838A and MB872. MB838A is described as an opaque impact modifier consisting of methyl methacrylate-butadiene-styrene (MBS) copolymer (CAS-25053-09-2) that will be imported in white powder form for use in the manufacture of sheets, pipes, fittings, etc. MB872 is described as a transparent impact modifier consisting of methyl methacrylate-butadiene-styrene (MBS) copolymer (CAS-25053-09-2) that will be imported in white powder form for use in the manufacture of transparent sheet, film, etc. The applicable subheading for the subject copolymers will be 3903.90.1000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Polymers of styrene, in primary forms: Other: Methyl methacrylate-butadeine-styrene (MBS) copolymers. The general rate of duty will be 6.5 percent ad valorem. Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUS and the accompanying duty rates are provided on World Wide Web at https://hts.usitc.gov/current. This merchandise may be subject to the requirements of the Toxic Substances Control Act (TSCA), which are administered by the U. S. Environmental Protection Agency. Information on the TSCA can be obtained by contacting the EPA at 1200 Pennsylvania Avenue, N.W., Washington, D.C. 20460, by calling the TSCA Assistance Line at (202) 554-1404, by Fax at (202) 554-5603, by e-mail to: tsca-hotline@epa.gov or by visiting their website at www.epa.gov. 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 April Cutuli at april.a.cutuli@cbp.dhs.gov. Sincerely, Steven A. Mack Director National Commodity Specialist Division