Sodium carbonate is also known as soda ash, soda powder, alkali powder. The chemical formula is Na2CO3. Sodium carbonate at room temperature is a white, odorless powder or fine-grained crystal. There are two main types of soda ash products, namely heavy soda ash and light soda ash. There is no difference between the two soda ash in the chemical formula, and the biggest difference lies mainly in the difference in physical properties, such as bulk density, particle size and shape. The general density of light soda ash is 500-600kg/m3, and the density of heavy soda ash is 1000-1200kg/m3. Heavy soda ash is also slightly different from light soda ash.
Heavy soda ash is composed of light soda ash under certain temperature conditions, hydration reaction with water to form sodium carbonate monohydrate, sodium carbonate monohydrate compared with anhydrous sodium carbonate, dense and smooth crystalline particles, large and uniform crystal particles. After heating and dehydration, its crystals still retain their original characteristics, and the bulk density is twice that of light soda ash. Therefore, it has been widely used in the glass, metallurgy and pigment industries. And in terms of packaging, storage, transportation are more economical than light soda ash.
Lightweight and lightweight soda ash is also very widely used, is one of the important chemical materials in the chemical, glass, metallurgy, paper, printing and dyeing, synthetic detergents, petrochemical, food, medicine and health and other industrial industries. For example, in the field of building materials, the glass industry is the largest consumer sector of soda ash, consuming 0.2 tons of soda ash per ton of glass; In the chemical industry, it is used to make water glass, baking soda, borax, etc. It is worth mentioning that the use of lightweight soda ash as an important auxiliary raw material in the printing and dyeing industry, plays a pivotal role in printing and dyeing, it can be used as a water softener, cooking agent, emulsification hair training agent, refining agent and so on in the printing and dyeing process.
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