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Unsaturated Polyester Resin Pricing, Demand and Supply Overview
In Southeast Asia, the highest-cost reporting region, unsaturated polyester resin prices climbed through H1 2026, extending a tight-inventory trend that began building through 2025. The Southeast Asian average rose from USD 1,870/MT in Q1 2026 to USD 2,020/MT in Q2, a gain of about 8.0%. Globally, the average rose from USD 1,421/MT in Q1 2026 to USD 1,574/MT in Q2, a 10.8% gain. For H2 2026, a global average of USD 1,550-1,680/MT is expected, with firming styrene and propylene feedstock costs continuing to outweigh soft construction and marine demand across most reporting regions.
Unsaturated polyester resin is produced by polycondensing maleic and phthalic anhydride with propylene glycol, then dissolving the resulting polymer in styrene monomer to create a reactive liquid resin used with glass fiber reinforcement. Building and construction applications such as panels and cultured marble account for the largest share of global demand, with corrosion-resistant pipes and tanks, marine and boat building, and transportation composites making up most of the remaining major applications. Styrene and propylene feedstock costs, regional import competition, construction and marine sector demand cycles, and freight rates on key export routes are the drivers that move price most consistently.
Unsaturated Polyester Resin Price Forecast for 2026
The supply-demand balance for unsaturated polyester resin through the remainder of 2026 leans firm, driven mainly by a sharp run-up in styrene and propylene feedstock costs rather than a genuine demand recovery. Producers in several regions have pushed through repeated price increases since the start of the year as feedstock costs climbed, even as Chinese resin capacity keeps running at low utilisation and construction demand stays soft in the United States and Europe.
The primary upside risk is a further styrene or propylene feedstock cost spike tied to regional supply disruptions, which would push prices above the forecast range. The primary downside risk is persistent Chinese overcapacity and weak construction and marine demand overwhelming the feedstock-driven cost increases, which would pull prices back below the forecast.
| Region | 2026 Price Range (USD/MT) | Outlook |
| Global Average | 1,550 - 1,680 | Firming feedstock costs offset by soft construction demand |
| Southeast Asia | 2,000 - 2,150 | Tight inventories and export demand keep the region at a premium |
| Europe | 1,750 - 1,900 | Repeated feedstock-driven price increases continue into H2 |
| United States | 1,280 - 1,380 | Firm demand and higher feedstock costs support the market |
| China | 1,150 - 1,250 | Low operating rates keep China the most affordable source |
For the Quarter Ending June 2026
Unsaturated Polyester Resin Prices Q2 2026:
- Southeast Asia: USD 2,020/MT
- Europe: USD 1,760/MT
- United States: USD 1,310/MT
- China: USD 1,205/MT
Unsaturated Polyester Resin Prices in Southeast Asia
Southeast Asian unsaturated polyester resin prices averaged USD 2,020/MT in Q2 2026, up about 8.0% from USD 1,870/MT in Q1 2026, the highest level among the four tracked markets. Tight regional inventories and firm export demand into the Middle East kept the market well supported.
Why did the price of Unsaturated Polyester Resin change in Q2 2026 in Southeast Asia?
Regional inventories stayed tight as export demand into the Middle East and neighbouring markets remained firm. Styrene feedstock costs continued climbing through the quarter, raising the production floor. Producers held pricing firm given limited spare capacity to absorb additional orders.
Unsaturated Polyester Resin Prices in Europe
European prices averaged USD 1,760/MT in Q2 2026, up about 23.1% from USD 1,430/MT in Q1 2026, as producers pushed through a further round of price increases following a sharp styrene and propylene feedstock cost run-up.
Why did the price of Unsaturated Polyester Resin change in Q2 2026 in Europe?
Producers implemented a further round of price increases as styrene and propylene feedstock costs continued climbing sharply. Import competition from Turkish and Chinese suppliers moderated but did not reverse the increase. Construction and marine demand stayed soft, with feedstock costs dominating the price move.
Unsaturated Polyester Resin Prices in United States
US prices averaged USD 1,310/MT in Q2 2026, up about 6.5% from USD 1,230/MT in Q1 2026. Firm demand from corrosion-resistant equipment and infrastructure applications combined with rising styrene and propylene costs to sustain the increase.
Why did the price of Unsaturated Polyester Resin change in Q2 2026 in United States?
Firm demand from pipes, tanks, and corrosion-resistant equipment applications supported the increase. Styrene and propylene feedstock costs continued climbing through the quarter. Import volumes stayed limited, keeping domestic supply comparatively tight.
Unsaturated Polyester Resin Prices in China
Chinese prices averaged USD 1,205/MT in Q2 2026, up about 4.3% from USD 1,155/MT in Q1 2026. Feedstock cost increases continued to outweigh the persistent overcapacity that has kept the market the most affordable of the four regions.
Why did the price of Unsaturated Polyester Resin change in Q2 2026 in China?
Styrene and maleic anhydride feedstock costs continued rising through the quarter, lifting the production floor. Domestic operating rates stayed historically low, keeping supply ample despite the cost increase. Construction-linked demand remained soft, limiting the size of the pass-through.
For the Quarter Ending March 2026
Unsaturated Polyester Resin Prices Q1 2026:
- Southeast Asia: USD 1,870/MT
- Europe: USD 1,430/MT
- United States: USD 1,230/MT
- China: USD 1,155/MT
Unsaturated Polyester Resin Prices in Southeast Asia
Southeast Asian prices averaged USD 1,870/MT in Q1 2026, up about 10.7% from Q4 2025, as tight regional inventories met a sharp styrene feedstock cost increase entering the year.
Why did the price of Unsaturated Polyester Resin change in Q1 2026 in Southeast Asia?
Styrene feedstock costs rose sharply entering the year, tightening the regional production floor. Export demand into the Middle East and neighbouring markets stayed firm. Regional inventories, already tight from the prior year's build, left little room to absorb the increase.
Unsaturated Polyester Resin Prices in Europe
European prices averaged USD 1,430/MT in Q1 2026, up about 20.2% from Q4 2025, marking the start of a sharp feedstock-driven reversal after a weak 2025 shaped by Turkish and Chinese import competition.
Why did the price of Unsaturated Polyester Resin change in Q1 2026 in Europe?
A sharp rise in styrene and propylene feedstock costs prompted producers to implement the first of several price increases during the quarter. Import competition eased modestly as Turkish and Chinese suppliers faced the same cost pressure. Construction demand stayed soft, but feedstock costs drove the reversal.
Unsaturated Polyester Resin Prices in United States
US prices averaged USD 1,230/MT in Q1 2026, up about 9.8% from Q4 2025. Firm demand from infrastructure and corrosion-resistant equipment applications combined with rising feedstock costs to lift the market.
Why did the price of Unsaturated Polyester Resin change in Q1 2026 in United States?
Styrene and propylene feedstock costs began climbing sharply entering the year. Demand from pipes, tanks, and corrosion-resistant equipment applications stayed firm through the quarter. Import volumes remained limited, supporting the domestic price increase.
Unsaturated Polyester Resin Prices in China
Chinese prices averaged USD 1,155/MT in Q1 2026, up about 5.0% from Q4 2025, the first meaningful increase after a prolonged 2025 decline driven by overcapacity.
Why did the price of Unsaturated Polyester Resin change in Q1 2026 in China?
Styrene and maleic anhydride feedstock costs rose sharply entering the year, lifting the production floor. Operating rates stayed near historic lows, keeping the increase modest relative to the feedstock move. Construction-linked demand remained soft through the quarter.
Quarterly Unsaturated Polyester Resin Price Trends
Global unsaturated polyester resin prices drifted lower through most of 2025 on Chinese overcapacity and soft construction demand, before surging in the first half of 2026 as styrene and propylene feedstock costs rose sharply. The average eased from USD 1,310/MT in Q1 2025 to USD 1,275/MT by Q4 2025, then jumped to USD 1,421/MT in Q1 2026 and USD 1,574/MT in Q2 2026, a net gain of about 20.2% across the six-quarter window. Overcapacity and import competition drove the 2025 softness, while the 2026 feedstock cost surge drove the sharp reversal.
| Quarter | Price (USD/MT) | QoQ Change | Direction |
| Q2 2026 | 1,574 | +10.8% | ↑ Rising |
| Q1 2026 | 1,421 | +11.5% | ↑ Rising |
| Q4 2025 | 1,275 | +0.2% | ↑ Rising |
| Q3 2025 | 1,273 | -1.5% | ↓ Falling |
| Q2 2025 | 1,293 | -1.3% | ↓ Falling |
| Q3 2026 | In Progress | - | - In Progress |
What was Unsaturated Polyester Resin Price in 2025?
Unsaturated polyester resin prices drifted lower across most reporting regions in 2025, weighed down by persistent Chinese overcapacity and rising Turkish import competition into Europe, even as Southeast Asian export markets tightened. The global average eased from USD 1,310/MT in Q1 2025 to USD 1,275/MT by Q4, a full-year decline of about 2.7% that masked sharp regional divergence. Chinese overcapacity, European import competition, and tightening Southeast Asian export demand were the primary forces that defined the year.
Unsaturated Polyester Resin Prices in Southeast Asia in 2025
Southeast Asian prices rose from about USD 1,520/MT in Q1 2025 to USD 1,690/MT by Q4, a gain of roughly 11.2%, the only tracked region to post a full-year increase. Firming export demand and tightening regional inventories drove the steady climb through the year.
Unsaturated Polyester Resin Prices in Europe in 2025
European prices fell from about USD 1,320/MT in Q1 2025 to USD 1,190/MT by Q4, a decline of roughly 9.8%. Rising Turkish and Chinese import competition and soft construction demand pressured the market lower through most of the year, ahead of the early-2026 feedstock cost reversal.
Unsaturated Polyester Resin Prices in United States in 2025
US prices fell from about USD 1,150/MT in Q1 2025 to USD 1,120/MT by Q4, a modest decline of roughly 2.6%. Softer sales volumes and cautious construction spending kept the market under mild pressure through most of the year.
Unsaturated Polyester Resin Prices in China in 2025
Chinese prices fell from about USD 1,250/MT in Q1 2025 to USD 1,100/MT by Q4, a decline of roughly 12.0%, the steepest among the four tracked markets. Persistent overcapacity and low operating rates drove the sustained decline through the year.
How We Can Help
Expert Market Research: Your Source for Real-Time Unsaturated Polyester Resin Price Intelligence
Expert Market Research tracks unsaturated polyester resin prices continuously across every major producing and consuming region. The team traces causation through styrene and propylene feedstock economics, regional import competition, freight and trade flow shifts, and downstream construction, marine, and transportation sector demand cycles. Forecasts draw on feedstock cost curves, capacity utilisation, and trade flow data across all reporting regions. Contact Expert Market Research today for unsaturated polyester resin pricing data, bespoke market analysis, and strategic procurement advisory.
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Key Questions Answered in the Report
Building and construction applications such as panels and cultured marble account for the largest share of global demand, with corrosion-resistant pipes and tanks, marine and boat building, and transportation composites making up most of the remainder.
The Q2 2026 average was USD 2,020/MT in Southeast Asia, USD 1,760/MT in Europe, USD 1,310/MT in the United States, and USD 1,205/MT in China. Southeast Asia carries the highest cost due to tight regional inventories and firm export demand.
The global average eased from USD 1,310/MT in Q1 2025 to USD 1,275/MT in Q4, a decline of about 2.7% that masked sharp regional divergence, with Southeast Asia rising while Europe and China declined on overcapacity and import competition.
Styrene and propylene feedstock costs climbed sharply across producing regions, prompting several producers to implement repeated price increases. Tight Southeast Asian inventories added further support.
The global average is expected in the USD 1,550 to 1,680/MT range for the remainder of 2026, assuming styrene and propylene feedstock costs stay elevated while construction and marine demand remain soft.
Southeast Asia holds the highest cost on tight inventories and export demand, Europe sits close behind on repeated feedstock-driven price increases, the United States holds a firm middle, and China prices lowest on persistent overcapacity.
This report is updated monthly. For real-time pricing intelligence, contact the Expert Market Research team directly.
Prices respond mainly to styrene and propylene feedstock costs, regional import competition, construction and marine sector demand cycles, and freight rates along key export routes.
China holds the largest production capacity, though it operates well below full utilisation, followed by producers in the United States, Europe, and Southeast Asia. Any large shift in styrene feedstock costs ripples across every regional market within one to two quarters.
Buyers can use quarterly trend data and forward price forecasts to time contract negotiations around styrene feedstock cost cycles, monitor regional inventory tightness as an early price signal, and evaluate alternative sourcing regions when landed costs from a primary supplier rise.
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