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[Chemical Knowledge]：Properties and Uses of Industrial Basic Zinc Carbonate

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Industrial basic zinc carbonate in the chemical production of raw materials in the field of the nature and use
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1. Introduction

Industrial basic zinc carbonate (ZnCO3 · xZn(OH)2 · yH2O) is a common inorganic chemical raw materials, widely used in plastics, rubber, ceramics, glass, pigments, medicine and other fields. Because of its unique physical and chemical properties, basic zinc carbonate plays an important role in the production of chemical products. This article will detail the properties and uses of industrial basic zinc carbonate.

2. The properties of industrial basic zinc carbonate

1. Physical properties: Industrial basic zinc carbonate is usually white or yellowish powder, odorless, non-toxic, insoluble in water, but soluble in acid.
2. Chemical properties: Basic zinc carbonate can be decomposed into zinc oxide and carbon dioxide at high temperature. In addition, it can also react with acid to form the corresponding zinc salt and carbon dioxide.

3. industrial use of basic zinc carbonate

1. plastic industry: basic zinc carbonate can be used as plastic filler and modifier to improve the hardness, rigidity and heat resistance of plastics. At the same time, it can also play the role of flame retardant and smoke suppression, and improve the fire resistance of plastics.
2. Rubber industry: In rubber products, basic zinc carbonate can be used as an active agent to improve the bonding strength between rubber and fiber. In addition, it can also improve the wear resistance and aging resistance of rubber.
3. Ceramic industry: basic zinc carbonate can be used in the preparation of ceramic glaze to improve the wear resistance and corrosion resistance of glaze. At the same time, it can also be used as an opacifier to increase the whiteness and hiding power of the glaze.
4. Glass industry: In glass production, basic zinc carbonate can be used as a fining agent to improve the transparency and gloss of glass. In addition, it can also be used as a decolorizing agent to eliminate the impurity color in the glass.
5. pigment industry: basic zinc carbonate can be used as white pigment, with excellent hiding power and weather resistance. It is widely used in paint, ink and other fields.
6. pharmaceutical industry: basic zinc carbonate can be used as drug excipients, filling, dilution and stability. At the same time, it can also be used as an intermediate for the preparation of other pharmaceutical raw materials.

4. conclusion

industrial basic zinc carbonate as an important inorganic chemical raw material, has been widely used in plastics, rubber, ceramics, glass, pigments and pharmaceuticals. Because of its unique physical and chemical properties, basic zinc carbonate plays a key role in improving the performance and quality of products. With the continuous development of science and technology, the application prospect of basic zinc carbonate will be more broad.

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