Granite is magmatic rocks of one of the most widely distributed rock.The main rock-forming minerals are quartz,feldspar,mica,and a small amount of dark minerals,it is a crystalline structure,massive structure.Granite colors are dark blue,purple,gray and black and other colors mainly determined by the color of feldspar,feldspar granite because of higher content.Granite hard and compact,high compressive strength,between 120~250MPa,apparent density between 2600~2700kg/m3,porosity is small(0.19%-0.36%),low water absorption(0.1%to 0.3%),resistance good wear resistance,high durability,service life of up to decades to centuries.

PFW Impact Crusher

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