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Caustic soda News
SunSirs: Caustic Soda Prices Remained Weak This Week (November 24-27)
November 28 2025 14:13:55SunSirs(John)

Price trend:

According to the SunSirs' commodity analysis system, caustic soda prices were weak this week. The average market price at the beginning of the week was 804 RMB/ton, and the average market price at the end of the week was 798 RMB/ton, a decrease of 0.75%, and a decrease of 21.84% compared to the same period last year.

On November 26th, the SunSirs Chemical Index was 765 points, up 1 point from the previous day, down 45.36% from the highest point of 1,400 points (October 23, 2021) within the cycle, and up 27.93% from the lowest point of 598 points (April 8, 2020). (Note: The cycle refers to December 1, 2011 to present)

Market Analysis

According to the SunSirs' commodity analysis system, caustic soda prices remained weak this week. In Shandong, the mainstream market price for 32% ion-exchange membrane caustic soda was around 710-810 RMB/ton. In Jiangsu, prices remained stable at around 840-930 RMB/ton. In Inner Mongolia, prices consolidated, with the mainstream market price for 32% ion-exchange membrane caustic soda around 2,250-2,350 RMB/ton (converted to 100%). This week, the main downstream purchasing prices in the Shandong liquid caustic soda market further declined. The supply and demand pattern remained unchanged, with both supply and demand currently weak. Downstream alumina buyers had shown limited enthusiasm for entering the market recently, and the market remains stagnant, with most caustic soda purchases being made on an as-needed basis. It is expected that the alumina market will continue to fluctuate with a slightly weaker trend in the near future.

Market Forecast:

According to analysts at SunSirs, caustic soda prices were trending weakly recently. Domestic downstream buyers were mostly purchasing on an as-needed basis. Considering the supply and demand dynamics, caustic soda prices are expected to maintain consolidations in the near future, depending on downstream market demand.

If you have any inquiries or purchasing needs, please feel free to contact SunSirs with support@sunsirs.com.

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