Caustic soda
Liquid and Solid

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Solid Caustic Soda28151110
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Liquid caustic soda28151200
About the Product
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Solid Caustic Soda
Caustic soda flakes are the solid, white form of sodium hydroxide, produced as dry, odorless flakes. This product is obtained by evaporating high-purity liquid caustic soda and is preferred in many industries due to its easier storage, safer transportation, and long shelf life. Caustic soda flakes are typically produced with a purity of over 98% and are packaged in moisture-resistant packaging.
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Liquid caustic soda
Liquid caustic soda is a clear, colorless solution of sodium hydroxide in water, typically offered in concentrations ranging from 30% to 50%. This form is easily injected into industrial processes and reacts quickly. Its liquid state makes it ideal for applications requiring fast and uniform mixing. Transportation is usually carried out in specialized tankers to ensure safety and maintain product quality.
Difference Between Liquid and Solid Caustic Soda
While caustic soda Flakes , due to its high purity, is widely used in chemical industries, paper production, and detergents, the liquid form is preferred in continuous processes and automated production lines for its ease of mixing and injection. The choice between the two depends on the specific process requirements and safety standards of each industry.
Applications of Caustic soda
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Paper and Pulp Production
Caustic soda is used in the process of separating cellulose fibers from lignin and plays a vital role in bleaching and preparing pulp.
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Petrochemical and Oil Refining Industries
In these industries, caustic soda is used to remove acidic compounds, sulfur, and corrosive impurities from oil and gas streams.
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Detergent and Soap Production
Sodium hydroxide is used in the saponification reaction of fats with oils and plays a key role in the production of solid soaps and certain industrial detergents.
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Water and Wastewater Treatment
Caustic soda is used in water treatment to adjust pH, neutralize acids, and aid in the precipitation of heavy metals in industrial processes.
Other Applications
Textile and dyeing industries, aluminum production, food industry, pharmaceuticals, plastic manufacturing, metal and electroplating industries
Caustic soda analysis
Buying Caustic soda – Why Petrola?
Petrola as a Manufacturer
Petrola as a Supplier
Petrola also acts as a supplier in close collaboration with the largest and most reputable chemical manufacturers in Iran, enabling us to provide any required product quantity in the shortest possible time.

FAQ About Caustic soda
Liquid caustic soda is a sodium hydroxide solution with 30–50% concentration, while caustic soda flakes are the solid, flake-shaped form with over 98% purity.
The price of caustic soda flakes depends on factors such as purity, packaging, order quantity, producer brand, and currency exchange rates. To know the daily price, it is recommended to directly contact the sales department.<br>
For bulk purchases of caustic soda flakes, you can contact by phone, place an order on the website, or request a proforma invoice. Nationwide delivery is available.<br>
Caustic soda flakes are usually supplied in 25 kg laminated bags, 50 kg drums, and 1-ton jumbo bags.<br>
Caustic soda flakes are highly corrosive and can be dangerous if they come into contact with skin or eyes. Protective gloves, masks, and goggles must be used during handling, and the material should be stored in a dry and cool place.<br>
Yes, its Food Grade type is used in sugar production, soft drinks, vegetable oil processing, and olive curing.<br>
They must be stored in a dry, cool place away from moisture, as they quickly dissolve and react when exposed to water or humidity.<br>
Yes, caustic soda flakes are one of Iran’s top export products and are exported to neighboring and Asian countries. Export packaging and analysis are provided according to international standards.<br>