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Gray calcium powder after micro powder mill grinding is the coated material in the construction industry portable rock crusher, also used as the main material of putty powder, and harmonic agent of emulsioni paint industry; it also has been applied in industrial and agricultural aspects, such as used for agricultural pesticides, sewage treatment, as well as the soot desulfurization, etc.; in industry, it is mainly used as additives and fillers in plastic, rubber, PVC pipe and other industries.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:Mobile Diesel Engine Jaw Crusher,If you are interested in our products, please contact us freely: sales@daswell.com Modern industrial ways to process the calcium mainly abandon the rotary kiln, and the process technology is that the crushed limestone directly goes into micro powder mill to grind in powder processing, and the product fineness can be as high as 3000 mesh. Limestone powder processed by this way has high fineness and uniform particle size, so in the following chemical preparation of gray calcium, its activity is bigger. After the experiment and research of Henan Daswell Machinery equipment Co., Ltd engineering and technical personnel, we found that the gray calcium produced by this technology has high fineness, and the finished product is exquisite and even, which can significantly extend the industrial use a lot. Gray calcium’s scientific name is calcium hydroxide, which is generated by the calcium oxide through chemical reaction. The main composition of gray calcium is with calcium hydroxide, calcium oxide, calcium carbonate, and a small amount of iron, magnesium and other metal elements. The original gray calcium process was made by crushed limestone, and then put into a rotary kiln heating, and then synthesized the calcium hydroxide through chemical reactions. Through the process of rotary kiln to process gray calcium portable rock crusher, and its investment is large, and the pollution is more serious, which is mainly eliminated now.