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2026-07-08 12:12 UTC by David Patten

Anti-Dumping on Polyurethane: How Trade Defense Is Repricing China’s PU Export Model

July 1, 2026 19 min read

MARKET INTELLIGENCE

Three separate forces are pressing on the same point of the global polyurethane chain this year, and they are easy to read as unrelated headlines rather than one story. A wave of anti-dumping duties across the United States, Europe, India, and Brazil is raising the cost of Chinese PU-chain exports at destination. China’s own decision to cancel export VAT rebates on polyether polyols is raising the cost of leaving China in the first place. And a five-month war in the Persian Gulf pushed feedstock costs into a spike that is only now unwinding. None of the three is new information individually. Read together, they describe the end of a specific economic model, export-led Chinese PU oversupply sold at a persistent discount, rather than a cluster of coincidental trade disputes.

One Cause, Two Reactions

It is worth being precise about what is actually driving this, because the anti-dumping wave and Beijing’s own rebate cancellation are frequently discussed as opposing developments, foreign protectionism versus Chinese liberalization,  when they are better understood as two reactions to the same underlying condition: sustained Chinese overcapacity in polyether polyols, MDI, TDI, and their shared upstream inputs. Chinese polyether polyol exports grew from roughly 1.7 million tonnes in 2023 to 2.8 million tonnes in 2025, a pace of growth that outstripped demand growth in every importing market and kept margins compressed across the value chain, including inside China itself. Producers in the US, EU, India, and Brazil responded to that oversupply the way trade law allows them to: by petitioning their own governments for relief. Beijing is responding to the same oversupply the way domestic industrial policy allows it to: by removing a subsidy that no longer serves its own producers’ interests either. The VAT rebate cancellation is frequently framed as a response to foreign pressure, but the stated rationale, curbing what Chinese policymakers call ‘involution,’ the deflationary price competition eating into every producer’s margin, points to a domestic motive that happens to align with what foreign trade-defense authorities want. That alignment is precisely what makes 2026 different from previous rounds of anti-dumping activity: the exporting country and the importing countries are, for once, pulling in the same direction, even if for different reasons.

A Decade in Context: Is This Actually Unusual?

TRADE REMEDY ACTIVITY AGAINST CHINA, 2015–2026

It is worth testing the claim above against the historical record, because trade remedies against China are not new, they have been a persistent feature of the trading system since China’s 2001 WTO accession, and it would be a mistake to read every new filing as evidence of an unprecedented crackdown. Chinese government data compiled through the Ministry of Commerce’s own Trade Remedy Information Center shows the total number of new investigations opened against Chinese products by all countries fluctuating between roughly 46 and 131 a year over the past decade, with most years landing in a 70–105 range. Looked at that way, the current wave is a continuation of a long-running pattern, not a departure from it.

What has changed is the shape of the curve, not just its existence. 2023 was a relatively quiet year at 69 new cases; 2024 more than doubled that to a record 160, with the number of countries filing cases rising from 18 to 28 in a single year as smaller and developing economies: Thailand, Peru, Pakistan among them, joined the traditional heavy users (India, the US, the EU). Steel offers a sharper illustrative comparison at the sector level: China faced roughly 29 major steel trade cases in the thirteen months from January 2024 to February 2025, against 15 across the entire four-year span from 2020 to 2023. That is not incremental growth; it is a step change in pace, concentrated in exactly the overcapacity-heavy sectors, steel, batteries, solar, and increasingly chemicals, where China’s own domestic price data shows the deepest and most sustained margin compression.

Two further data points frame where polyurethane sits within this broader picture. Over the longer run, 1995 to 2023, a cumulative 1,614 anti-dumping cases have been brought against China worldwide, with India (298 cases), the United States (189), and the European Union (155) as the three heaviest historical users; the current polyol, MDI, TDI, PTMEG, and adipic acid cases sit inside exactly that same top-three roster rather than representing new entrants to the practice. And within China’s own chemical sector specifically, industry commentary describes three consecutive years of profit decline and a roughly 36% fall in the sector’s product price index through late 2025, with local analysts explicitly warning that 2026 would bring more trade friction rather than less — a warning that the polyether polyols, PTMEG, and adipic acid filings of the past six months have already borne out. The honest reading, then, is not that anti-dumping activity against China is a new phenomenon in 2026, but that the specific chemicals underpinning polyurethane have moved, within the space of about eighteen months, from being a secondary target to one of the more active fronts inside a genuinely record year for the practice overall.

North America: A Case Study in Speed

UNITED STATES

The US MDI case is a useful marker for how quickly these proceedings can now move once a government decides to prioritize them. Petitioned in February 2025 by BASF and Dow under an ad hoc fair-trade coalition, the case produced preliminary margins as high as 511.75% within seven months and a finalized, enforceable antidumping duty order by June 25, 2026, roughly sixteen months from filing to order, which is fast by the standards of the statutory process. The final rate settled closer to 161.6% for cooperating respondents after correction of a ministerial error, still high enough to functionally exclude Chinese MDI from meaningful price competition in the US market for the foreseeable future.

The PTMEG case opened in April 2026 is worth reading differently. By naming South Korea and Vietnam alongside China, among other Asian producers, the petitioners are implicitly arguing that the problem is regional oversupply in the isocyanate and glycol chain, not a China-specific pricing practice. That framing matters for how Chinese producers should think about strategy: shifting nominal production or blending to a third Asian country will not obviously solve the underlying exposure if the US treats the whole region as a single competitive threat. The case is still in its early stage: the ITC’s May 2026 injury vote came back affirmative, which keeps the investigation alive, but that only clears the lower bar of ‘reasonable indication of injury.’ The number that will actually set duty levels, Commerce’s preliminary dumping margin, isn’t due until September 16, 2026, so there’s no PTMEG duty rate to point to yet, only a case that has survived its first procedural checkpoint.

Europe: The Producer Coalition Strategy

EUROPEAN UNION

The European cases show a related pattern, fewer but larger producers acting collectively rather than a single national champion filing alone, as in the Brazilian and US cases. The polyether polyols investigation opened in late June 2026 was brought jointly by BASF, Covestro, PCC Rokita, Shell, and Chimcomplex, effectively the entire surviving EU polyol producer base filing as one bloc. The adipic acid case that concluded in May 2026 with duties of 29.1% to 42.3% followed the same collective logic, built around a Chinese sector that now controls close to 70% of global adipic acid capacity. Two further filings on PBAT and aliphatic-aromatic copolyesters, adjacent biodegradable-plastics chains rather than core PU inputs, were both triggered by BASF, which is emerging as the most consistently active single petitioner across the entire European chemicals trade-defense docket this year, not just in polyurethane.

The complication is capacity. Ineos has publicly warned that the European Commission’s trade-defense caseload has grown faster than its staff can process it, citing injury findings as high as 67% met with duties proposed as low as 3.7% in unrelated cases. If that capacity constraint holds for polyurethane cases as it apparently has elsewhere, the polyether polyols investigation opened in June could take considerably longer to reach a preliminary determination than the statutory timeline suggests, leaving Chinese exporters operating under investigation-related uncertainty for an extended period without yet facing an actual duty.

India: What Sunset Reviews Reveal

INDIA

India offers the longest running dataset on how these measures actually perform over time, and the pattern is instructive. TDI duties against China, Japan, and Korea have been in force in some form since 2016 and were reaffirmed through a sunset review in 2022, suggesting a durable, structural competitive disadvantage that Chinese TDI has not been able to close even after several years of trying. Spandex tells a different story. An earlier elastomeric filament yarn duty regime lapsed in 2022, and Chinese and Vietnamese pricing pressure returned quickly enough that Indorama filed a fresh petition, resulting in a March 2026 recommendation for duties of roughly US$2 per kilogram. The lesson for how to read any of the current cases: a five-year duty is not necessarily a permanent solution, and the underlying Chinese cost advantage tends to reassert itself the moment protection lapses, which is exactly the dynamic worth watching as the US, EU, and Brazilian measures approach their own review dates later this decade.

India has also been the most active jurisdiction anywhere in actually completing new PU-chain cases rather than leaving them in process. A polyether polyol case opened in March 2023 by Manali Petrochemicals, India’s sole domestic producer, concluded within a year with duties of $534 per tonne on Wanhua and $608 per tonne on other Chinese producers — finalized a full year before Brazil’s comparable polyol case and more than two years ahead of the EU’s, which only opened in June 2026. A separate case brought by Covestro’s Indian unit against thermoplastic polyurethane (TPU) followed the same fast timeline, running from initiation in September 2023 to a finalized duty of $0.93–$1.58 per kilogram by October 2024. Taken together with TDI and the spandex cases, India has now run five distinct PU-chain proceedings against China since 2016, more than any other jurisdiction in this survey, and its average time from initiation to final duty, roughly twelve to fourteen months, is also the fastest of the major users covered here.

Brazil: The Limits of Protection, Seen From Inside

BRAZIL

Brazil is the clearest illustration of the tension these measures create even where they succeed. GECEX Resolution No. 754, in force since July 2025, set Chinese polyether polyol duties at roughly double the rate applied to US exporters, US$1,409–1,469 per tonne against Chinese producers including Wanhua and Hebei Yadong, versus US$555–680 per tonne against BASF and Dow. Dow Brasil Sudeste, the sole domestic petitioner, got the protection it asked for, and the size of the gap between the China and US rates points to exactly the outcome the duty was designed to produce: Chinese-origin volume is understood to have been the more heavily displaced of the two since July 2025, with import volumes from China running below their pre-duty levels. Brazil’s customs data broken out by origin was not available for this report, so that direction is best read as the expected and, on the evidence assembled during the case, the intended result rather than a precisely quantified figure.

Brazil’s foam and mattress manufacturers, represented by ABICOL, pushed back hard enough that SECEX opened a formal public-interest review within two weeks of the duties taking effect, specifically to assess whether they should be suspended given supply-shortage risk. That review has since concluded: GECEX Resolution No. 858, published February 20, 2026, closed the assessment without suspending or modifying the duty, after Dow argued that supply from non-Chinese origins combined with domestic capacity was sufficient to cover Brazilian demand. The measure stands as originally set, in force to 2030. The episode is still a useful reminder that anti-dumping relief redistributes cost within the importing country as much as it restricts the exporting one;  the domestic producer won twice, first on the original case and again on the review; though this particular review resolved in the petitioner’s favor rather than staying open-ended.

Brazil’s parallel adipic acid sunset review, opened March 30, 2026, adds a second layer: Brazil is simultaneously defending one wall on polyols, now upheld in full, and deciding whether to extend a second one on an adjacent PU input.

Southeast Asia: Exposure Without a Mechanism

INDONESIA, VIETNAM, MALAYSIA, THAILAND

No Southeast Asian authority currently runs a direct anti-dumping case against Chinese MDI, TDI, or polyether polyols. Indonesia’s KADI has been active on adjacent petrochemicals — polypropylene homopolymer and block copolymer — but those cases target multiple Asian exporters collectively rather than China specifically, a materially different posture from the China-focused cases in the US, EU, and India. What Southeast Asia does have is exposure: Vietnam sourced roughly 70% of its polyether polyol imports from China in 2025, a concentration that makes it a natural landing zone for volume that Chinese producers can no longer place competitively in the US, EU, India, or Brazil. Indonesia’s move to draft anti-circumvention and transshipment rules for 2026 suggests regulators are alert to the risk of Chinese material being rerouted through the region to dodge duties elsewhere, which, if finalized, would close off the release valve that currently makes Southeast Asia the most open market left for Chinese PU exports.

China’s Own Lever

CHINA DOMESTIC POLICY

On January 8–9, 2026, China’s Ministry of Finance and State Taxation Administration cancelled the 13% VAT export rebate on 249 product categories effective April 1, 2026, with polyether polyols under HS code 39072990 explicitly included alongside PVC, agrochemicals, and photovoltaic and battery inputs. With export dependency near 33% of Chinese polyol production, the removal of the rebate strips out a cost advantage that has underpinned Chinese pricing dominance in Turkey, India, and Vietnam for years. Some larger, vertically integrated producers are exploring a bonded processing-trade workaround — importing propylene oxide under a duty-free handbook scheme, converting it domestically, and re-exporting the finished polyol without triggering VAT — but the model only pencils out while imported PO undercuts domestic PO, a narrowing window as global feedstock markets normalize.

A Price Reality Check: What the Hormuz Shock Actually Did

FEEDSTOCK VOLATILITY, MARCH–JULY 2026

Two of the developments above happened to land in the same six-week window as an unrelated geopolitical shock, and separating the two matters for reading current spot prices correctly. The 2026 Iran war began February 28, and Iran declared the Strait of Hormuz closed on March 4, disrupting roughly a fifth of global seaborne oil and LNG trade and pushing Brent crude above $120 per barrel by mid-March. Because propylene oxide, the direct feedstock for polyether polyols, is an oil derivative, the war shock landed on Chinese FOB polyol pricing at almost exactly the same moment Chinese exporters were also rushing shipments to beat the April 1 VAT rebate deadline, two separate cost-and-volume pressures compounding into a single, unusually sharp spike.

The scale of the move, and the shape of its unwind, is worth stating plainly rather than folding into the trade-policy narrative above. Chinese FOB polyol pricing rose from roughly $1,225 per tonne on March 1 to a peak of $2,265 on April 8, an 85% move in five weeks, before falling back to around $1,340 per tonne by July 1, a 41% retracement from the peak that leaves China only about 9% above its pre-crisis baseline. European and North American delivered prices moved on a longer lag and have not unwound nearly as far: West European polyol peaked in early May near €2,575 per tonne and North American polyol peaked in late May near $3,142 per tonne, and both remain roughly 13% below those peaks as of July 1,  still close to double their March 1 starting points. That divergence is itself informative: Chinese pricing, driven by FOB spot competition and no longer cushioned by an export subsidy, snapped back quickly once the war de-escalated and the pre-deadline rush ended, while Western delivered prices, which layer freight, war-risk insurance, and in several cases anti-dumping duties on top of the same feedstock cost, are proving considerably stickier on the way down.

Weekly average spot prices, China (FOB), West Europe and North America (DEL). Source: PUdaily market pricing data.

The practical implication for anyone reading a Chinese FOB quote today: the current price reflects a market that has already round-tripped through both a war shock and a subsidy withdrawal and landed close to where it started. It is not yet clear whether $1,300–$1,400 per tonne represents a new, post-rebate equilibrium or a temporary trough before Chinese producers pass through the lost 13% rebate more fully once feedstock volatility settles further.

Global Snapshot

What Comes Next for Chinese Product

None of this points toward a collapse in Chinese PU export volumes, and it is worth resisting the temptation to read the case log above as a story of China losing ground. China’s capacity base remains large and cost-competitive at the feedstock level, and the obvious response to a duty, redirecting volume toward markets that haven’t imposed one, is exactly what trade theory predicts and what Chinese exporters have done in every prior round of this cycle. The more interesting question is not whether that redirection happens, but what else is happening at the same time: Chinese polyol, MDI, and TDI quality has continued to improve over the past several years, with leading producers such as Wanhua and Covestro’s China operations investing in higher-specification grades and moving up the value chain rather than competing on price alone. That matters because it means the current wave of duties raises the cost of entry for Chinese material without necessarily closing the quality gap that used to be the main argument against it, a materially different situation from a decade ago, when Chinese product competed almost purely on price.

With that caveat in mind, a few specific developments look likely over the next twelve to twenty-four months:

• Continued trade-flow redirection toward markets without duties. Chinese volume that previously went to the US, EU core markets, India, and Brazil will keep concentrating in Southeast Asia, the Middle East, and Africa, reinforcing the import-dependence numbers already visible in Vietnam, Turkey, and India. This is the default response to any duty and shouldn’t be read as a special insight so much as the baseline case.
• Gradual uptake of bonded processing-trade structures. The import-PO, export-polyol workaround may spread beyond the largest integrated producers as the VAT rebate loss bites, though its economics remain fragile and sensitive to the domestic-versus-imported PO price spread, so this is likely to stay a partial, producer-specific response rather than a wholesale shift.
• More anti-circumvention scrutiny over time. Indonesia’s 2026 rulemaking may be followed by similar moves elsewhere as regulators in duty-free markets watch import volumes rise and ask whether material is genuinely originating where it claims to.
• Some consolidation pressure inside China, concentrated among smaller producers. Non-integrated Chinese polyol producers without secure feedstock access face the most margin pressure from the combined effect of the rebate loss and continued anti-involution policy; some capacity rationalization there is plausible, though the pace will depend on how much support local governments continue to extend to marginal producers.
• More overseas capacity investment by the largest Chinese producers, continuing an existing trend. Wanhua’s Hungary MDI capacity is the clearest precedent: producing inside a market that would otherwise impose a duty sidesteps the issue rather than contesting it, and further announcements of this kind would be consistent with treating the current measures as durable rather than temporary, though this is an extension of a strategy already underway, not a new one.
• A gradually widening product list, following an established pattern. TDI, PTMEG, and adipic acid cases are already open in multiple jurisdictions; adjacent chains such as PBAT are following the same petition pattern, and further filings covering additional PU-adjacent HS codes are a reasonable base-rate expectation rather than a dramatic escalation.

The honest summary: Chinese producers are not losing their structural cost advantage in feedstock and scale, and the quality gap that once made Western and Indian material an easy default choice has narrowed. What has changed is that the advantage now has to clear a materially higher bar,  duties in force or pending across four continents, a lost export subsidy at home — before it shows up as a landed price advantage for the buyer. That is a slower, costlier, and more contested version of the same trade, not the end of it, and not a story with an obvious winner.

Appendix: Full Case Log (2003–2026) — Anti-Dumping Actions Against Chinese PU-Chain Products

The list below covers documented anti-dumping investigations specifically targeting Chinese polyurethane-chain products — MDI, TDI, PTMEG, adipic acid, polyether polyols, TPU, spandex/elastane, and PU-coated leather — across the jurisdictions most active in this space. It reaches back to the earliest confirmed case, India’s original 2003 polyether polyol investigation, to show that PU-specific trade defense against China is not purely a product of the last decade, even though the current wave is far denser than anything in the prior twenty years. The log excludes adjacent chemicals (PBAT, copolyesters, general petrochemicals) and countries where no PU-specific case could be confirmed in available public sources, including Southeast Asia, where, as discussed above, no direct case against Chinese PU raw materials currently exists. Dates reflect investigation initiation, final determination, and duty notification where applicable; “Ongoing” indicates no final determination as of this writing.

Read chronologically, the list itself makes the point of the section above concrete: a single early case in 2003 that ultimately lapsed in 2015 right as the current cycle was about to begin, then two more cases opened in the 2016–2021 window (India TDI, India PU leather), against nine opened from 2023 onward (India polyol, India TPU, India spandex revival, US MDI, US PTMEG, EU adipic acid, EU polyether polyols, Brazil polyol, Brazil adipic acid sunset review). The pace roughly quadrupled in the second half of the decade, and every case still open or still in force as of mid-2026 was filed in 2023 or later, with the sole exception of India’s TDI order, which has now survived one full sunset review and remains the longest-running currently active PU-specific measure against China in this list.

https://www.pudaily.com/news/65481/anti-dumping-on-polyurethane-how-trade-defense-is-repricing-chinas-pu-export-mod

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