Mexican Tariff (TIGIE) · tariff fraction · HS 3907.91
3907.91.01.00: Unsaturated polyester resins: Elastómero termoplástico a base de copolímeros de poli(ester-éter) en aleación con polibutilentereftalato, con o sin cargas, refuerzos, pigmentos, aditivos y modificadores en gránulos.
Unsaturated polyester resins
✓ Can be used in a customs declaration Data: Mexican Tariff (TIGIE), in force from 14 October 2026 · checked on 24 October 2026
This line has no official text in this language; it is shown in the language of its tariff.
- 3907 Poliacetales, los demás poliéteres y resinas epoxi, en formas primarias; policarbonatos, resinas alcídicas, poliésteres alílicos y demás poliésteres, en formas primarias.
- 3907.91 No saturados.
- 3907.91.01 Elastómero termoplástico a base de copolímeros de poli(ester-éter) en aleación con polibutilentereftalato, con o sin cargas, refuerzos, pigmentos, aditivos y modificadores en gránulos.
- 3907.91.01.00 Elastómero termoplástico a base de copolímeros de poli(ester-éter) en aleación con polibutilentereftalato, con o sin cargas, refuerzos, pigmentos, aditivos y modificadores en gránulos.
What you pay
Importing into Mexico
Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.
Same subheading in other tariffs
3907.91 Polyacetals, other polyethers and epoxide resins: other polyesters, unsaturated
UK Free – 6% Third-country duty 3 tariff lines · average 2% 
EU 6.5% Third-country duty 2 tariff lines 
Türkiye 6.5% Third-country duty 2 tariff lines 
USA Free – 6.5% General (MFN) 3 tariff lines · average 4.1% 
Canada Free General (MFN) 1 tariff line 
Brazil 20% General (MFN) 1 tariff line 
Argentina 12.6% General (MFN) 3 tariff lines 
Peru Free General (MFN) 1 tariff line 
New Zealand Free – 5% General (MFN) 2 tariff lines · average 2.5% 
Japan 3.1% General (MFN) 1 tariff line 
Taiwan 2.5% General (MFN) 1 tariff line 
GCC 5% General (MFN) 1 tariff line 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia 3% General (MFN) 2 tariff lines 
Nigeria 5% General (MFN) 1 tariff line Mexico lines: 3907.91
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N303296 U.S. CBP
The tariff classification of Radpar AD-032 from Japan
- N273662 U.S. CBP
The tariff classification of a thermal spray powder from Germany
- 600010228 HMRC
Castor Polyol Chemically modified castor oil use: production of polyurethane The product is packaged in 1000kg IBC's or 200kg drums
- 600010353 HMRC
Castor polyol D-1145 Chemically modified castor oil use: production of polyurethane The product is packaged in 1000kg IBCs or 200kg drums
Legal notes
In the Mexican Tariff (TIGIE), 3907.91.01.00 is one of 2 lines under subheading 3907.91, polyacetals, other polyethers and epoxide resins: other polyesters, unsaturated.
The import duty (IGI) is free, and quantities are declared in Kg.
For the same subheading, the UK duty is 0%–6%, the EU duty is 6.5%, the Türkiye duty is 6.5%, the US duty is 0%–6.5%, the Canada duty is free, the Brazil duty is 20%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is 3.1%, the Taiwan duty is 2.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 3% and the Nigeria duty is 5%.
Mexico imported goods of subheading 3907.91 worth US$143m in 2024; the largest supplier was the United States, and the United Kingdom ranked 8th with US$1m.
Questions and answers
What is the Mexico import duty for tariff fraction 3907.91.01.00?
The import duty (IGI) in the Mexican Tariff (TIGIE) is free; the supplementary unit is Kg. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.
Where does Mexico import these goods from?
For subheading 3907.91 as a whole, the largest supplier in 2024 was the United States (US$119m), followed by China.