Caterpillar is working to build a $140 million motor grader in North Little Rock and is expected to employ 600 people and provide large machinery for the world. Caterpillar, located in Peoria, Illinois, laid off 24,000 people worldwide in 2009, but the factory in North Little Rock was not affected. Governor Mike Beebe thanked the company for sticking to the plan in the "worst recession." The North Little Rock factory is currently being converted from a factory that originally produced cassette tapes and DVDs. Caterpillar received a $3 million grant from the Governor’s Fast Action Fund to build the project.
It can be prepared by directly crushing natural calcite, limestone, chalk, shell, etc. by mechanical methods (using Raymond mill or other high-pressure mill). Because the sedimentation volume of heavy Calcium Carbonate is smaller than that of light calcium carbonate, it is called heavy calcium carbonate.
Heavy calcium carbonate is abbreviated as heavy calcium. It uses high-quality limestone as raw material and is processed into white powder by a lime mill. Its main component is CaCO3. Heavy calcium has the characteristics of high whiteness, good purity, soft hue and stable chemical composition. Heavy calcium is usually used as a filler. It is widely used in daily chemical industries such as artificial floor tiles, rubber, plastics, papermaking, coatings, paints, inks, cables, construction supplies, food, medicine, textiles, feed, toothpaste, etc. Increase the volume of products and reduce production costs. Used in rubber, it can increase the volume of the rubber, improve the processability of the rubber, play a semi-reinforcing or reinforcing role, and can adjust the hardness of the rubber.
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