Heavy caustic soda

纯碱化学名称是碳酸钠，是一种无机化合物，化学式Na2CO3，但分类属于盐，不属于碱，国际贸易中又名苏打或碱灰。碳酸钠是一种白色粉末，无味无臭，易溶于水，水溶液呈强碱性，有一定的腐蚀性，在潮湿的空气里会吸潮结块，部分变为碳酸氢钠。碳酸钠的制法有联合制碱法、氨碱法、路布兰法等，也可由天然碱加工精制。

Soda ash is an important inorganic chemical raw material, mainly used in the production of flat glass, glass products, and ceramic glazes. It is also widely used for daily washing, acid neutralization, and food processing. Sodium carbonate is one of the important chemical raw materials, widely used in light industry, daily chemical, building materials, chemical industry, food industry, metallurgy, textile, petroleum, national defense, medicine and other fields. It is used as a raw material for manufacturing other chemicals, cleaning agents, detergents, and also in the fields of photography and analysis. Next are metallurgy, textiles, petroleum, national defense, pharmaceuticals, and other industries. The glass industry is the largest consumer sector of soda ash, consuming 0.2 tons of soda ash per ton of glass. In industrial soda ash, the main industries are light industry, building materials, and chemical industry, accounting for about 2/3, followed by metallurgy, textiles, petroleum, national defense, medicine, and other industries.

Our company's main industrial soda ash has two properties, heavy soda ash and light soda ash. Heavy soda ash is in granular form, while light soda ash is in powder form. Generally, the density of light soda ash is 500-600kg/m3, heavy soda ash is 1000-1200kg/m3, ultra light soda ash is around 370kg/m3, and ultra heavy soda ash is 1550-2553kg/m3. Light soda ash is mainly produced by the ammonia alkali method, using raw salt and limestone as raw materials to produce light soda ash through chemical synthesis, and then producing heavy soda ash through solid-phase water method. Heavy soda ash is mainly produced by natural alkali method, using natural alkali as raw material and producing heavy soda ash through evaporation or carbonization method. By using the hydration process to make sodium carbonate contain crystalline water, its particle size can be changed to facilitate downstream glass manufacturing industry use.