Polybutylene
Part of: 39029000 — Other
H299275 · 2023-12-27 — Application for Further Review of Protest No. 3901-18-100410; Classification of Styrene-Isoprene Block Copolymer
H299275 December 27, 2023 OT:RR:CTF:CPMMA H299275 KSG CATEGORY: Classification TARIFF NO: 3902.90.00 Port Director U.S. Customs and Border Protection Port of Chicago 5600 Pearl Street Rosemont, IL 60018 Attn: Supervisory Import Specialist (SIS) Miguel Plaza Re: Application for Further Review of Protest No. 3901-18-100410; Classification of Styrene-Isoprene Block Copolymer Dear Port Director, This is in reply to the Application for Further Review (AFR) of Protest No. 390118- 100410, dated April 9, 2018, on behalf of Kuraray America, Inc. (Protestant), contesting U.S. Customs and Border…
N152522 · 2011-04-06 — The tariff classification of three butadiene methyl methacrylate styrene copolymers.
Kane Ace B-51, B-522 and B-564 are olefin copolymers consisting of 53.37-69.85% butadiene, 12.36-20.96% methyl methacrylate and 4.49-29.93% styrene, in white powder form, for use as impact modifiers in making PVC based injection molded parts, blown film and calendered sheet. The subheading for B-51, B-522 and B-564 will be, 3902.90.00, Harmonized Tariff Schedule of the United States, for: Polymers of propylene or of other olefins, in primary forms: Other: Other. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). If you have any questions…
R02003 · 2005-06-01 — Tariff classification of 100% polybutene (CAS-9003-29-6) from the Republic of Korea.
, Inc. (IPAC), you requested a tariff classification ruling for 100% polybutene (CAS-9003-29-6) not meeting the description of Chapter 39 Note 3(a) which provides for liquid synthetic polyolefins of which less than 60 percent by volume distills at 300oC. Chapter 39 Note 3(c) is relevant to your product and provides for other polymers with an average of at least five monomer units. Based on CAS-9003-29-6 the product, also called polybutylene, is a high polymer composed of a large number of monomer units. In Subheading Note 1(a) (1) a prefix “poly” means the constituent monomer unit contributes…
954314 · 1993-06-23 — 19 U.S.C. 1516; amorphous polyolefin; polyalpha olefin
, in which you request the classification and rate of duty under the Harmonized Tariff Schedule of the United States Annotated (HTSUSA) of amorphous polyolefins. FACTS: Because it manufactures amorphous polyolefins in the U.S., Eastman Chemical Products, Inc. is an interested party for purposes of 19 U.S.C. 1516(a)(2)(A). Between your two letters, you have identified four shipments of merchandise identified as amorphous polyalpha olefin, which you state is chemically identical to amorphous polyolefin manufactured by your client. ISSUE: What is the classification under the HTSUSA of amorphous…
950229 · 1992-02-20 — Thermoplastic rubber
This is reply to your request of August 13, 1991, for a tariff classification ruling for a product line of thermoplastic rubber. FACTS: The products under consideration are thermoplastic rubber described as block type and triblock molecular structure of styrene-butadiene-styrene polymers. Technical specifications therefor indicate that they are thermoplastic elastomer copolymers composed of 58 to 75 percent butadiene and 25 to 42 percent styrene and other additives. The products are not normally vulcanized although they can be. In their unvulcanized state they can be stretched to over 3 times…
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