3907.29.00.00—Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms, otherGeneral
6.5%
Units
kg
Column 2
2.2¢/kg + 33.5%
Special
Free(A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P,PA, PE, S, SG)
Supplier development
Tandom’s paid supplier-development service helps industrial buyers identify and evaluate alternative manufacturers, compare quotes, qualify samples, and prepare a first order. Buyers retain supplier approval and all customs and compliance decisions.
Exporting to the United States
Tandom’s Americas Desk works with manufacturers outside the United States on the commercial side of entering it: buyer research, targeted outreach, qualifying the opportunities that come back, quote support, and follow-up.
Tandom · Duty calculator
Tandom · AD/CVD catalog
HTS links are screening indicators. Review each order's written scope before deciding whether it may cover a shipment.
HTS 3907.29.00.00 is the U.S. Harmonized Tariff Schedule classification for Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms, other. It's a 10-digit statistical line in Chapter 39: Plastics and articles thereof, Section VII: Plastics and Articles Thereof; Rubber and Articles Thereof, used by U.S. Customs and Border Protection to determine the duty rate at entry. 6 potentially relevant AD/CVD order flags link to this code.
New to HTS codes? Read our guide on how HTS classification works →
HTS-linked orders that may be relevant to imports under this code. An HTS link is a screening aid; actual coverage depends on each order's written product scope. Run the AD/CVD lookup → to check whether your specific shipment is in scope.
Epoxy Resins
Epoxy Resins
Epoxy Resins
Epoxy Resins
Epoxy Resins
Monomers and Oligomers
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of Miramer AS2010, Miramer AS4004 and Miramer PE250 from South Korea
The tariff classification of polyethylene glycol CAS# 25322-68-3 from India
The tariff classification of Trimethylpropane Poly(oxypropylene) triamine (CAS #39423-51-3) from China
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 3907.29.00.00 is the U.S. Harmonized Tariff Schedule classification for Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms, other. It belongs to Chapter 39 of the HTSUS.
The general (Column 1) duty rate for HTS 3907.29.00.00 is 6.5%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The HTS special-rate notation for 3907.29.00.00 is Free(A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P,PA, PE, S, SG). It can reference programs such as USMCA, KORUS, AGOA, and GSP; a program must be authorized on the entry date, and the shipment must satisfy its rules of origin and documentation requirements before a special rate can be claimed.
The Column 2 rate for HTS 3907.29.00.00 is 2.2¢/kg + 33.5%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Belarus, Cuba, North Korea, and Russia).
No Chapter 99 flags are linked to HTS 3907.29.00.00 in Tandom's current catalog view. Use the calculator's date, origin, and product inputs to check a specific entry scenario.
Tandom links 6 potentially relevant AD/CVD order flags to this code: A-583-876 (AD, Taiwan), C-583-877 (CVD, Taiwan), C-580-920 (CVD, South Korea) plus 3 more. An HTS link is a screening aid; review each order's written scope and linked case materials to determine whether a product is covered.
Programs referenced by the HTS Special-column notation
Special-column notation identifies rate candidates only. The shipment must independently satisfy the program's current authorization, origin, and documentation rules before a special rate can be claimed.
Tandom guides relevant to this code
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
Open resource
Cash deposit cascade, separate rates, all-others, and PRC-wide rates. Worked example on case A-570-910 (galvanized welded steel pipe from China) with three exporter-specific rates.
Open resource
Scope text is authoritative; the HTS list is illustrative. Read scope, find past rulings, and file a 19 CFR 351.225 inquiry. Worked example on case A-570-106 (wooden cabinets from China).
Open resource
Run thousands of product descriptions through HTS classification, score the confidence, and triage borderline rows. Public search endpoint plus the closed-beta three-layer Classifier.
Open resource
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
Open resource
Why raw LLM prompts fabricate stat suffixes, why MCP-augmented prompts do not, and the prompt template a broker can hand to Claude or ChatGPT today.
Open resource