Caustic Potash (Potassium Hydroxide) Price Trend Q3 2025
In Q3 2025, the international Caustic Potash (Potassium Hydroxide) market recorded strong performance in all regions following massive demand from chemical processing, pharmaceutical, textile, and manufacturing sectors. Prices stabilized towards the second half of the quarter and declined sharply in September 2025 underpinned by balanced feedstock supply, sustained capacity utilization, and stable industrial activity. The South Korean market became the major exporter sustaining regional trade momentum. Freight dynamics by region impacted import competitiveness. The market sentiment has been upbeat with supply chain resilience and uninterrupted industrial expansion underpinning price firmness. International markets illustrated an average price rise of 3% to 5% for Q3 2025, indicating robust market momentum and positive consumption patterns.
United Kingdom
(Caustic Potash (Potassium Hydroxide) import price in UK from South Korea) Flakes (90%) Industrial Grade.
During Q3 2025, The Caustic Potash (Potassium Hydroxide) prices in UK market demonstrated strong momentum, driven by stable demand from the chemical processing and cleaning products industries. Freight rates in the United Kingdom showed an increasing trend, contributing to higher all-in import costs and supporting overall market valuations. Caustic Potash (Potassium Hydroxide) price ranged between USD 840–980 per metric ton, reflecting steady South Korean imports and stable regional transport conditions.
The Caustic Potash (Potassium Hydroxide) price trend in UK rose by 5.70% during the quarter, underscoring consistent market momentum and robust downstream demand, which helped maintain healthy pricing levels throughout the period. However, in September 2025, Caustic Potash (Potassium Hydroxide) prices in the United Kingdom fell sharply by 10.57% due to excess availability and muted industrial demand. Sellers reduced offers to clear accumulated stocks.
Spain
(Caustic Potash (Potassium Hydroxide) import price in Spain from South Korea) Flakes (90%) Industrial Grade.
During Q3 2025, The Caustic Potash (Potassium Hydroxide) prices in Spain market remained steady, underpinned by consistent demand from the manufacturing and chemical industries. Freight rates in Spain continued a downtrend, helping mitigate upstream cost pressures and supporting overall market stability. Caustic Potash (Potassium Hydroxide) price trend in Spain has largely been influenced by stable imports from South Korea and well-balanced regional supply conditions, with the market trading between USD 815–970 per metric ton.
The Caustic Potash price increased by 1.98% during the quarter, reflecting disciplined market behaviour and sustained consumption trends amid stable regional fundamentals. However, in September 2025, Caustic Potash (Potassium Hydroxide) prices in Spain plunged by 12.67%, the steepest regional decline, driven by high inventory levels and weak purchasing interest. Competitive offers dominated market discussions.
Brazil
(Caustic Potash (Potassium Hydroxide) import price in Brazil from China) Flakes (90%) Industrial Grade
In Q3 of 2025, Caustic Potash (Potassium Hydroxide) prices in Brazil demonstrated notable strength from robust off-take from chemical processing and industrial manufacturing sectors. Respective freight rates in Brazil exhibited inherent strength facing logistics pressures from greater shipping distances associated with the regional distributions that traded off overall pricing for imports during the quarter. The Caustic Potash (Potassium Hydroxide) price trend in Brazil has generally been higher as a result of increased import volumes from South Korea along with the generally robust regional market conditions with trading in a range of USD 820–940 per metric ton.
The price of Caustic Potash (Potassium Hydroxide) increased incrementally for the quarter at 8.23% noting solid market traction with continued downstream consumption providing solid prices for most of the quarter. Nevertheless, the prices for Caustic Potash (Potassium Hydroxide) fell in September 2025 by 8.57% in Brazil as market confidence was tempered with ongoing oversupply challenging distributor activity, and offers were made to vary trade.
China
(Caustic Potash (Potassium Hydroxide) Export price from China) Flakes (90%) Industrial Grade
According to PriceWatch, in Q3 2025, the Caustic Potash (Potassium Hydroxide) prices in China displayed notable resilience, supported by steady domestic consumption from the chemical and pharmaceutical industries. Caustic Potash prices in China ranged between USD 910–970 per metric ton, reflecting firm regional and local demand during the quarter. Production levels remained consistently high, aided by reliable feedstock availability and stable power costs.
Overall, Caustic Potash price trend in China recorded a modest rise of 4.58%, which reflected continued market confidence and balanced fundamentals in the Chinese Caustic Potash sector. However, in September 2025, Caustic Potash (Potassium Hydroxide) price in China dropped by 2.39% amid steady domestic production and reduced export activity. Limited spot inquiries kept trading sentiment weak.
Malaysia
(Caustic Potash (Potassium Hydroxide) import price in Malaysia from South Korea) Flakes (90%) Industrial Grade
During the third quarter of 2025, Caustic Potash (Potassium Hydroxide) prices in Malaysia stayed stable through robust demand from chemical processing and industrial cleaning applications. The Caustic Potash price increased in the quarter by 5.51%, reflecting some relatively firm macro-market momentum and reasonable downstream consumption to set firm prices for the quarter. Freight rates in Malaysia have trended upward, which affects the overall import competition and contributes to price variations in the local market.
The Caustic Potash (Potassium Hydroxide) price in Malaysia declined in September 2025 by 6.54% with limited spot demand but stable import activity. Overall activity in the marketplace remained muted during the month. The Caustic Potash (Potassium Hydroxide) price trend in Malaysia maintained relatively stable volumes of imports from South Korea and sufficient activity in the regional marketplace at a range of USD 820–920 per metric ton.
Japan
(Caustic Potash (Potassium Hydroxide) import price in Japan from South Korea) Flakes (90%) Industrial Grade
During the third quarter of 2025, Caustic Potash (Potassium Hydroxide) prices in the Japanese market remained relatively stable and declined sharply towards the later stages of the quarter as steady demand shifted toward chemical production and specialty chemicals. Freight prices in Japan experienced a slight decline, which relieved import costs slightly and supported stable pricing. The price trend for Caustic Potash (Potassium Hydroxide) in the Japanese market reflected stable import trends from Korea and balanced domestic conditions, with a price range of USD 770–860 per metric ton.
The price of Caustic Potash (Potassium Hydroxide) saw an increase of 4.63% for the quarter, reflecting continued firmness in the market and continued consumption downstream, which sustained stable pricing throughout the quarter. However, in September 2025, Caustic Potash (Potassium Hydroxide) prices decreased by 7.29%, as sluggish orders in downstream applications and stable supply in the domestic market weighed on demand conditions. End users of the product were prudent in their consumption patterns, which down- warded the overall market signal.
India
(Domestically Traded Caustic Potash (Potassium Hydroxide) price from Ahmedabad) Flakes (90%) Industrial Grade
According to PriceWatch, in the third quarter of 2025, the prices for Caustic Potash (Potassium Hydroxide) in India displayed steady strength backed by sustained demand from the chemical processing, textiles, and pharmaceuticals sectors, trading in a price range of USD 850–920 per metric ton, reflecting stable domestic absorption levels and feedstock availability. However, in September 2025, the caustic potash (Potassium Hydroxide) price slipped by 1.03% with stable demand alongside supply equilibrium. Stable production levels led to prices not correcting more sharply where they could have.
The caustic potash (Potassium Hydroxide) price trend in India showed a steady progression, with market sentiment residing on an optimistic side given firm industrial activity and strong regional-buying behaviour. The logistical issues from the monsoon season did not have a direct impact that disrupted supply distribution, with an uninterrupted supply dynamic contributing to market equilibrium. Overall, Caustic potash prices in India increased 4.45% over the quarter which indicated bullish market fundamentals in place alongside favourable consumption patterns.
South Korea
(Caustic Potash (Potassium Hydroxide) Export price from South Korea) Flakes (90%) Industrial Grade
During Q3 2025, Caustic Potash (Potassium Hydroxide) prices in South Korea showed moderate stability amidst steady local chemical and manufacturing sector demand. The Caustic Potash price trend in South Korea was determined by stable raw material buying patterns, with prices trading between USD 740-830 per metric ton.
Neighbouring Asian markets export demand stayed firm, underpinning overall price performance during the quarter. The 4.89% Caustic Potash price hike in Q3 2025 mirrored balanced market fundamentals and stable consumption trends. In September 2025, Caustic Potash (Potassium Hydroxide) prices in South Korea declined by 7.24%, pressured by ample inventories and weaker regional buying. Market participants reported slower offtake from downstream consumers.





