Polyisobutylene:
Part of: 3902 — Polymers of propylene or of other olefins, in primary forms:
H044564 · 2010-04-05 — Application for Further Review of Protest 3901-08-101355; Duty Suspension of Polyisobutylene
The following is our decision regarding Application for Further Review of Protest No. 3901-08-101355, timely filed on September 24, 2008, on behalf of Rit-Chem Corp, Inc., regarding the classification of polyisobutylene under the Harmonized Tariff Schedule of the United States (HTSUS). FACTS: The instant merchandise consists of Polyisobutylene, CAS number 9003-27-4, which has a chemical formula of (C4H8)x, and the chemical name 1-Propene, 2-methyl-, homopolymer . The protest describes thirty two entries from May 19, 2007 through January 3, 2008, liquidated from March 27, 2008 through November…
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