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Caustic soda application

2019-05-14
Caustic soda, scientific name sodium hydroxide, chemical formula is NaOH, commonly known as caustic soda, caustic soda, caustic soda, is a strong corrosive strong base, generally in the form of flakes or granules, soluble in water (dissolved in water) Heat) and form an alkaline solution, which is deliquescent and easily absorbs water vapor and carbon dioxide in the air.
Chemical name: sodium hydroxide
Molecular formula: NaOH
Molecular weight: 39.997
Physical and chemical properties: This product is a strong base and has strong corrosiveness. caustic soda 30% is liquid at normal temperature. Contact with acid can react violently, releasing a lot of heat, corroding metals, and eroding certain plastics, rubber, and coatings.

Sodium hydroxide is the most widely used and most widely used inorganic flame retardant additive. As a flame retardant, aluminum hydroxide can not only be flame retardant, but also can prevent smoke, no dripping, and no toxic gas. Therefore, it is widely used, and the amount of use is increasing year by year. Scope of application: thermoset plastics, thermoplastics, synthetic rubber, coatings and building materials.
The characteristics of sodium hydroxide can be applied in which areas 4
Product Usage
1. Used in the production of paper and cellulose pulp;
2. For the production of soap, synthetic detergents, synthetic fatty acids and the refining of animal and vegetable oils.
3. The textile printing and dyeing industry is used as a cotton desizing agent, a scouring agent and a mercerizing agent.
4. The chemical industry is used to produce borax, oxalic acid, phenol, and the like.
5. The petroleum industry is used to refine petroleum products and is used in oilfield drilling muds. It is also used in the surface treatment of alumina, metallic zinc and metallic copper as well as in glass, enamel, tanning, dyes and agriculture.
6. Food grade products are used as acid neutralizers in the food industry. They can be used as peeling agents for citrus, peaches, etc., as detergents for empty bottles, empty cans, etc., as well as decolorizing agents and deodorants.
7. Can also be used as an alkaline desiccant. Caustic soda is widely used in the national economy, and many industrial sectors require caustic soda. The sector that uses more caustic soda is chemically manufactured, by papermaking, aluminum smelting, tungsten smelting, rayon, rayon and soap manufacturing. In addition, in the production of dyes, plastics, agents and organic intermediates, the regeneration of old rubber, the production of metal sodium, water electrolysis and inorganic salt production, the production of borax, chromium salts, manganates, phosphates, etc., also use A large amount of caustic soda.

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