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    Caustic Soda Flakes

    Caustic Soda Flakes in Tradeasia

    IUPAC Name

    Sodium hydroxide

    Cas Number

    1310-73-2

    HS Code

    2815.11.00

    Formula

    NaOH

    Basic Info

    Appearance

    White Flakes

    Common Names

    anhydrous caustic soda , caustic alkali , caustic flake , caustic soda, solid , caustic white , caustic, flaked , hydrate of soda , hydroxide of soda , LEWIS red devil lye , soda lye , sodium hydrate , sodium hydroxide, pellets

    Packaging

    1000 @ 25 kg PP/PE bags, 25 MT

    Brief Overview

    Caustic soda flakes, also referred to as sodium hydroxide flakes, are solid, white materials characterized by a crystalline structure. They exhibit strong hygroscopic properties, meaning they readily absorb moisture from the atmosphere. When dissolved in water, caustic soda flakes completely dissolve, producing a highly corrosive soda lye and generating substantial heat in the process. For businesses and industries, partnering with a reliable caustic soda supplier is essential to ensure the quality and purity of the caustic soda flakes, meeting specific requirements for various applications.

    Manufacturing Process

    There are few methods of the manufacturing process or how to make caustic flakes, which by metathesis reaction and chloralkali process.

    Metathesis Reaction

    By reacting sodium carbonate with calcium hydroxide, sodium hydroxide, and calcium carbonate is produced. These products can be easily separated by filtration as calcium carbonate is not soluble whereas sodium hydroxide is highly soluble. The solution will then be purified, processed, and standardized for industrial consumption. 

    Chloralkali Process

    With the electrolysis of sodium chloride solution, solid sodium hydroxide is manufactured and obtained with the evaporation of water. Chlorine gas is also produced as the main by-product. This is done through three main types of cells, mainly mercury cell, diaphragm cell, and the membrane cell.

    Pulp and Paper

    It is used in the pulp and paper industry during the cooking process and oxygen delignification process.

    Textiles

    It is employed in the textile industry during the scouring process, mercerization process, and dyeing process.

    Soap and Detergents

    It is applied during the saponification process in soap industries and neutralization process in detergent industries.

    Metallurgy

    It is used to extract alumina from bauxite ore via the Bayer process.

    Other Applications

    Caustic soda is employed in the production of a wide array of organic and inorganic chemicals, oil drilling and petroleum products, bio-diesel production, environmental protection, pharmaceuticals, and more. Engaging with a reliable caustic soda distributor is crucial for these diverse industries to maintain product quality and process efficiency.

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