China Caustic Soda Market Analysis: Liquid Caustic Soda Price & Flakes Trends

The China caustic soda market maintained a strong upward trend during the week of March 20–26, 2026. Both liquid caustic soda and solid caustic soda prices showed steady increases, supported by improving exports and rising downstream demand.

🔷 Market Overview

• Average price of 32% liquid caustic soda in Shandong reached approximately RMB 716/ton, up about 5.1% week-on-week • 50% liquid caustic soda prices increased more significantly, rising over 11% • Caustic soda plant operating rate increased to around 84.6% • Inventory levels showed a slight increase, indicating stable supply conditions

Overall, the market sentiment remained positive, driven by export demand and improved profitability in the chlor-alkali industry.

🔷 Supply & Demand Analysis

On the supply side, fewer maintenance shutdowns and higher operating rates led to a moderate increase in production.

On the demand side: • Alumina industry maintained stable procurement • Viscose fiber sector showed slight recovery • Export orders continued to grow

This resulted in a balanced supply-demand structure, with a slight tightening in some regions.

🔷 Regional Market Trends

• Shandong & North China: Prices increased due to strong export demand and higher 50% caustic soda prices • East China: Export orders remained active, supporting price growth • Central China: Supply tightened due to maintenance, pushing prices higher • South China: Market followed the upward trend with strong buying interest

🔷 Price Trend of Caustic Soda Flakes

Solid caustic soda (flakes) prices also showed a stable upward trend, with slight increases in transaction levels.

However, compared with liquid caustic soda, the market remained relatively stable, and high-end transactions faced some resistance.

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🔷 Market Outlook

Looking ahead: • Supply: Expected to increase slightly as operating rates continue to rise • Demand: Stable with potential growth from downstream industries • Exports: Remain a key supporting factor

📈 Overall, the caustic soda market is expected to remain firm with slight upward movement in the short term.

For solid caustic soda (flakes), prices are likely to stay stable with limited fluctuations.

🔷 Keywords

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