Terephthalic acid is a strategic raw material used to produce PET, which is in turn used for plastic bottles, food packaging and polyester fabrics, giving it a role that extends well beyond the chemicals sector narrowly defined into the EU's broader recycling and sustainability targets, particularly as recycled content mandates for packaging and, more recently, vehicles create additional downstream demand for PET-based materials. The EU industry directly employs around 600 people across production sites in Belgium, Poland and Spain, in a market worth approximately €1.4 billion, a modest headcount relative to the strategic importance of the material it produces.

The duties follow a formal anti-dumping investigation conducted under the EU's standard trade defence procedures, examining import volumes, pricing and injury to the domestic industry over the investigation period, and are now legally binding under the published implementing regulation. The company-specific rates for Korean exporters, ranging from 6.1% to 13.3%, reflect differences in the degree of dumping found for individual producers, a common feature of EU anti-dumping measures that avoids penalising all exporters from a given country at a uniform rate regardless of their individual pricing behaviour.

The case adds to a growing list of EU trade defence actions targeting specific chemical intermediates in 2026, following a similar duty imposed on phosphorous acid imports from China earlier in the year, a pattern that suggests EU producers of niche but strategically important chemical intermediates are increasingly turning to trade defence instruments as a tool for protecting production capacity that might otherwise struggle against underpriced imports from third countries with lower production costs.

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