Other:
Part of: 3908 — Polyamides in primary forms:
N250852 · 2014-03-06 — Tariff classification of polyamide-4,6 glass reinforced black pellets from the Netherlands.
You provided descriptive literature, chemical formulas, chemical structures and resin samples for our review. Polyamide-4,6 [HN(CH2)4NH.OC(CH2)4CO]n with 10 carbon atoms is made by condensation polymerization of diaminobutane [H2N(CH2)4NH2] and adipic acid [HO2C(CH2)4CO2H]. PA-4,6 is similar to PA-6,6 [HN(CH2)6NH.OC(CH2)4CO]n with 12 carbon atoms in that both are made from a diamine and diacid. The difference is the diamine for PA-4,6 is diaminobutane [H2N(CH2)4NH2] and the diamine for PA-6,6 is hexamethylenediamine [H2N(CH2)6NH2]. Heading 3908 provides for polyamides. Subheading Note 1 (a)…
N223455 · 2012-07-11 — The tariff classification of Polyamide 41BR1 polyamide-6,6 with 2-3% polyamide-6 (CAS-24993-04-2) from various countries.
You provided CAS numbers and a copy of the EPA’s Polymer Exemption Guide Manual. The subject merchandise, trade name 41BR1, is a polyamide that results from the reaction of three monomers, namely: hexamethyldiamine (HMD) (CAS# 124-09-4), adipic acid (CAS# 124-04-9) and caprolactam (CAS# 105-60-2). These three monomers are reacted starting from their monomer state, and the reaction forms a random arrangement of monomers within the resulting polymer chain. For the subject product, concentrations of the monomers that react are 2-3% caprolactam, and the balance is essentially equal parts of HMD…
H055375 · 2010-09-22 — Internal Advice Request No. 09/005; Classification of Cartarex 2L Liquid
This ruling is in response to Clariant’s request for Internal Advice, No. 09/005, dated August 25, 2008. In its request for internal advice, Clariant proposes classifying the Cartarex 2L Liquid under heading 3908, Harmonized Tariff Schedule of the United States (“HTSUS”) rather than under heading 3907, HTSUS. FACTS: The merchandise at issue is identified as “Cartarex 2L Liquid.” In its request for Internal Advice, Clariant describes its product as “a highly effective, fast working quenching agent for the fluorescent whitening agents used in the paper industry.” On its website, Clariant…
965290 · 2002-06-05 — NYRL H84948; Technyl® containing wax
This concerns your letter, dated October 9, 2001, on behalf of Rhodia Engineering Plastics Corp., requesting reconsideration of New York Ruling Letter (NY) H84948, dated August 8, 2001, regarding the tariff classification, pursuant to the Harmonized Tariff Schedule of the United States (HTSUS), of three Technyl® products containing wax. We have also considered arguments you presented in a telephone conference with a member of my staff on April 24, 2002, and in a supplemental submission dated May 8, 2002. FACTS: The products, Technyl® A218V35 Black 21N, Technyl® A218V30 Black 34 NG and…
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