Heavy calcium carbonate is called ground calcium carbonate, or GCC for short. It is a powder material obtained by mechanical grinding of natural carbonate minerals such as calcite, marble, limestone, dolomite, chalk, and shells.
As a leader in the inorganic filler industry, heavy calcium carbonate is increasingly used in many fields such as plastics, papermaking, coatings, rubber, and f ood and medicine, showing extraordinary value.
After crushing and iron removal, the raw materials are stacked in the raw material bin via a bucket elevator. When the feeding amount is set in advance, the quantitative feeder weighs the materials and feeds the materials into the LUM ultrafine vertical mill for grinding through the lifting and conveying equipment.
During the operation of the equipment, if there are iron blocks and other debris mixed in the processed materials, when they move to the edge of the grinding disc with the materials, they will not be blown up by the wind due to their own weight, and fall to the lower cavity of the mill and be scraped into the slag discharge port by the scraper installed at the bottom of the grinding disc and discharged out of the machine.
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Whiteness is mainly related to the origin of the calcium carbonate ore, the composition of the ore, and the type of ore. The higher the whiteness, the higher the calcium carbonate content.
Particle size mainly refers to the size of the particles. Particle size distribution refers to the proportion of particles of various sizes in the powder sample to the total number of particles.
Generally, the larger the specific surface area, the higher the gloss of the product, but it is also more difficult to disperse.
Oil absorption refers to the maximum amount of dioctyl phthalate (DOP) absorbed by 100g of powder. In processing applications, the lower the oil absorption, the better.
False specific gravity is usually also called bulk density or loose density. In a sense, false specific gravity also reflects the fineness of the powder.
Heavy calcium carbonate is usually divided into various particle shapes such as polygons, flat bodies, rectangular blocks, long rods, nearly spherical and irregular shapes.
Liming Heavy Industry is a pioneer in the global powder new materials mineral grinding and resource recycling industries in grinding equipment technology system solutions and services. The company covers a total area of more than 1,600 acres and has served more than 30,000 customers in more than 180 countries and regions. It has obtained more than 280 patents and was the first in the industry to pass ISO9001 international quality system certification, EU CE certification, and Customs Union CU-TR certification.
Focusing on customer needs in different fields, the product processing range covers 1-3mm coarse powder, 20-400 mesh fine powder, 400-1250 mesh ultrafine powder and 1250-3250 mesh micro powder, covering the entire process chain of new material mineral grinding.
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