Generally, the compressive strength of soft hardness rock is equal or lower than 150Mpa. It mainly includes limestone limestone, gypsum, shale, slate, dolomite, calcareous sandstone, etc.which are widely used in cement, metallurgy, building materials, chemical industry, light industry, etc.selection of crushing equipment and design of technical flowchart varies with hardness, looseness, and mud content of raw materials as well as size of final products, etc.
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