Granite is a kind of tectonic rock formed by the lava from volcanic eruption, which is uplifted to the surface of the earth's crust in a molten state under considerable pressure. The magma does not spew out of the ground, but is slowly cooled and solidified underground. Belongs to magmatic rocks (igneous rocks). Granite is mainly composed of quartz, feldspar and mica. Among them, the content of feldspar is 40%~60%, and the content of quartz is 20%~40%. Its color depends on the type and quantity of the components contained. The rock is hard and dense.
Granite is mainly composed of quartz, feldspar and mica. Among them, the content of feldspar is 40%~60%, and the content of quartz is 20%~40%. Its color depends on the type and quantity of the components contained. Granite is a rock with a fully crystalline structure. High-quality granite has fine and uniform grains, compact structure, high quartz content, and bright feldspar. Granite has a high silica content and is an acidic rock. Certain granites contain trace amounts of radioactive elements, and such granites should be avoided indoors. Granite has a dense structure, hard texture, good acid and alkali resistance, and good weather resistance, and can be used outdoors for a long time.
Granite is a unique material, these physical characteristics are mainly manifested as porosity/permeability: The physical permeability of granite is almost negligible, between 0.2%~4% Thermal stability: granite has high strength and thermal stability, It will not change due to changes in outside temperature, and because of its high density, granite will not change due to changes in temperature and air composition. Granite has strong corrosion resistance, so it is widely used in the storage of chemical corrosion products.