CLA-2-39:RR:NC:N2:237 D83566
TARIFF NO: 3903.90.5000
Ms. Melinda O'Brien, Director
Logistics & Marketing Services Dept.
Mitsubishi Chemical America, Inc.
One North Lexington Avenue
White Plains, New York 10601
RE: The classification of Diaion HP20 (CAS-9003-70-7); SP20SS
(CAS-9003-70-7); and HP20SS (CAS-9003-70-7) adsorption
resins from Japan.
Dear Ms. O'Brien:
In your letter dated October 5, 1998 you requested a tariff
classification ruling.
Diaion HP20, SP20SS and HP20SS are macroporous styrenic
based polymeric bead type resins composed of diethenylbenzene-
polymer with ethenylbenzene. The styrenic polymer matrix forms
an aromatic non-polar surface which provides selectivity for
hydrophobic areas of molecules, including biomolecules like
antibiotics. The adsorption mechanism is via low energy van
der Waal's interactions. The resins are available in various
particle size grades for open column production scale chromato-graphy: HP20 (250-600 microns), SP20SS (50-100 microns) and
HP20SS (75-150 microns). They are used in the bio/pharmaceutical
industry for process scale isolation of important biomolecules.
The applicable subheading for all three products will be
3903.90.5000, Harmonized Tariff Schedule of the United States
(HTSUS), which provides for other polymers of styrene in primary
forms. The rate of duty is 0.2 cents per kilogram plus 7 percent
ad valorem.
This merchandise may be subject to the requirements of the
Toxic Substances Control Act (TSCA) which is administered by the
U.S. Environmental Protection Agency. You may contact the Agency
at 402 M Street, S.W., Washington, D.C. 20460, telephone number
(202) 554-1404, or EPA Region II at (908) 321-6669.
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 F. Cantone at 212-466-5488.
Sincerely,
Robert B. Swierupski
Director,
National Commodity
Specialist Division