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Introduction and Application of Heavy Calcium Carbonate
Release time:
2024-09-19
Heavy calcium carbonate is one of the most widely used fillers in the rubber industry.
Heavy calcium carbonate, referred to as heavy calcium, is a natural carbonate minerals such as calcite, marble, limestone and other inorganic filler after grinding and processing. It is widely used in many industries because of its high chemical purity, good thermal stability, low oil absorption rate, non-toxic and tasteless.
The particle shape of ground calcium carbonate is irregular, the particle size distribution is wide, and the particle size is large. It is usually used in occasions where transparency is not required. Its production process is mainly divided into dry and wet two, dry process through crushing, grinding, grading and other steps to obtain the product, while the wet process is further dry fine powder suspension crushing and dehydration treatment.
In the field of application, heavy calcium carbonate is widely used in plastics, paper, paint, rubber, food and pharmaceutical industries. In the plastics industry, it can be used as a filler to increase the volume of products, reduce costs, and improve processing performance; in the paper industry, it is used to improve the opacity, smoothness and printability of paper; in the coating industry, as a body pigment, It can improve the coverage and weather resistance of the coating; in the rubber industry, it can improve the processing performance and physical properties of rubber; in the food and pharmaceutical industries, it can be used as a calcium supplement or acidity regulator.
In general, heavy calcium carbonate has become one of the indispensable important materials in modern industry because of its superior performance and wide application fields.
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