HEADING 3908
Polyamides in primary forms:
Part of Chapter 39 — Plastics and Articles Thereof, Section VII.
Subheadings and tariff lines
Recent CBP rulings on heading 3908
H351116
April 16, 2026
Country of Origin; USMCA Eligibility; Applicability of Subheadings 9802.00.40, or 9802.00.80, HTSUS; Semi-Vulcanized Rubber Hoses
N300754
October 5, 2018
The tariff classification of Nylon Deflashing Media from Switzerland
N272848
March 10, 2016
The tariff classification and status under the United States-Korea Free Trade Agreement of Ultramid® GWHS BK from Korea
N254584
July 15, 2014
The tariff classification of polyamides
N250852
March 6, 2014
Tariff classification of polyamide-4,6 glass reinforced black pellets from the Netherlands.
N236151
December 17, 2012
The tariff classification of sodium of polyaspartic acid (CAS-181828-06-8, 35608-40-6) from Canada.
N226735
July 20, 2012
The tariff classification of Polyamide 41BR1 polyamide-6,6 with 2-3% polyamide-6 (CAS-24993-04-2) from various countries. Correction to Ruling Number N223455.
N223055
July 12, 2012
Tariff classification of a polycaprolactam amide based cooling agent from Japan.
N223455
July 12, 2012
The tariff classification of Polyamide 41BR1 polyamide-6,6 with 2-3% polyamide-6 (CAS-24993-04-2) from various countries.
H120923
November 22, 2011
Protest 4601-10-100057, Reliquidation, Generalized System of Preferences, Polyamides
N189679
November 15, 2011
The tariff classification of Jointmide 348 polyamide (CAS-68410-23-1) from Taiwan.
H055375
September 22, 2010
Internal Advice Request No. 09/005; Classification of Cartarex 2L Liquid
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