Terephthalic Acid Imports Face EU Anti Dumping Duties From 11 August 2026

The European Commission has imposed definitive anti-dumping duties on imports of PTA originating in the Republic of Korea and Mexico, closing an investigation that ran for almost exactly a year and putting a hard cost floor under one of Europe's most heavily traded polyester feedstocks.

Under Commission Implementing Regulation (EU) 2026/1904, adopted on 7 August and published in the Official Journal on 10 August 2026, Korean-origin material will face duties ranging from 6.1 percent to 13.3 percent depending on the exporting producer, while all imports from Mexico are subject to a single rate of 24.1 percent. The regulation also provides for the definitive collection of the provisional duties that have been in force since 11 April 2026. Definitive anti-dumping measures in the EU normally apply for five years, subject to interim and expiry reviews.

The Korean schedule is tiered, and the split matters more than the headline range. At the provisional stage in April, the Commission set 6.2 percent for Hanwha Impact and Samnam Petrochemical, the cooperating producers it examined, and a residual 13.7 percent for all other Korean exporters. Taekwang Industrial was carved out entirely after the Commission concluded its dumping margin was nil or below the de minimis threshold, leaving it with duty-free access to the EU. The definitive regulation carries that architecture forward at slightly lower rates, 6.1 percent for the individually examined producers and 13.3 percent as the country-wide residual. On the Mexican side, Alpek is the exporter in scope, and its provisional 25.7 percent has been trimmed to 24.1 percent. Buyers should confirm the exact company names and TARIC additional codes against the published regulation, since the residual rate applies by default to any shipment that cannot be matched to a named producer.

The case dates to a complaint lodged by INEOS Aromatics on 30 June 2025, which prompted the Commission to open proceedings on 13 August 2025. The complaint alleged that rising volumes of low-priced material were undercutting European producers, with the EU industry pointing to a double-digit loss of market share alongside sharp declines in production and sales over the injury period. Korean material accounted for the larger share of the dumped imports under review, with Mexico a smaller but faster-growing origin.

Brussels has framed the decision in strategic rather than purely commercial terms. Terephthalic acid or commonly called as PTA is the principal building block for polyethylene terephthalate, which feeds bottle-grade resin, food packaging, film and polyester fibre, categories the Commission links directly to its recycling and circular economy targets. The EU market for the PTA is valued at roughly EUR 1.4 billion, and domestic production supports around 600 direct jobs across plants in Belgium, Poland and Spain.

For procurement teams, the practical consequence is an immediate reset of landed-cost calculations. Buyers indexing Korean cargoes against Asian contract references will need to rebuild their delivered-Rotterdam and delivered-Antwerp models producer by producer, because the gap between a zero-rated Taekwang cargo, a 6.1 percent Hanwha Impact or Samnam parcel and a 13.3 percent residual shipment is wide enough to reorder a supplier panel entirely. Mexican material at 24.1 percent is, in most scenarios, priced out of routine European tenders. Buyers on quarterly or annual price formulas should revisit duty pass-through, origin-substitution and force majeure clauses now rather than at renewal, and stress-test their panels for the case where a single European producer becomes the marginal supplier during a turnaround.

Trade flows are the variable to watch next. With two origins effectively constrained, European converters are likely to lean harder on domestic output and on unaffected suppliers in the Middle East, India and Southeast Asia, which could tighten availability of non-duty-paid cargoes and lift European spot premiums relative to Asian benchmarks. Regional producers gain room to lift operating rates after a prolonged stretch of import pressure, though PET converters and polyester spinners will carry the extra feedstock cost into a downstream market where imported finished goods face no equivalent barrier. Affected exporters retain the option of seeking a review or challenging the measures before the EU courts, but for now the duties are enforceable at the border.