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Other Products Caustic Soda


Caustic soda, also known as sodium hydroxide (NaOH), is a versatile and essential chemical compound with a wide range of industrial applications.

Caustic soda is a strong alkalinecompound that is highly soluble in water. It is a white, odorless, and corrosive substance with a chemical formula of NaOH. Caustic soda is produced through the electrolysis of salt brine, a process known as the chlor-alkali industry. This versatile chemical has earned its place as one of the most widely used industrial chemicals globally.

Applications of Caustic Soda
  • Chemical Manufacturing: Caustic soda serves as a fundamental building block in the production of various chemicals, including detergents, soaps, and bleaches. Its strong alkaline properties make it a key ingredient in pH regulation during chemical reactions.
  • Paper and Pulp Industry: In paper manufacturing, caustic soda is used to break down lignin in wood fibers, helping to separate pulp from the lignin. This process, known as pulping, is essential for paper production.
  • Water Treatment: Municipal water treatment plants use caustic soda for pH adjustment and the removal of heavy metals and impurities from water sources.
  • Alumina Refining: Caustic soda is a crucial component in the Bayer process, which is used to extract alumina from bauxite ore. Alumina is a key ingredient in aluminum production.
  • Food and Beverage Industry: It is used for cleaning and sanitizing equipment in food and beverage processing plants.
Benefits of Caustic Soda
  • Versatility: Caustic soda's versatility is its most significant advantage. It can be used for various applications across multiple industries, making it an indispensable chemical.
  • Strong Alkalinity: Its powerful alkaline nature enables it to perform tasks like breaking down organic matter and adjusting pH levels effectively.
  • Economic Value: Caustic soda is relatively inexpensive, considering its wide range of uses, making it a cost-effective choice for many industrial processes.
Item Unit Limit Test Result
Sodium hydroxide purity %w Min 98 99.3
Carbonate %w Max 1 0.5
Chloride %w Max 0.06 0.01
Sulfate %w Max 0.01 0.006
Silicate %w Max 0.02 0.005
Fe Mg/kg Max 30 13
Insoluble in water Mg/kg Max 0.01 0
Aluminium Mg/kg Max 20 <20
Heavy metal Mg/kg Max 20 <20
Caustic Soda common packings:
One of the most common packaging of bitumen is new steel drum. The new steel drums are easy to handle, transport and a proper packaging to ensure the products reach their target destinations flawlessly without any leakage or spill. Read more