Properties and application of sandstone
Main ingredients:More than 65% A. quartz componentB. clay 10%C. goethite 13%D. other substances above 10%3, sandstone is a sub light stone, will not cause light pollution caused by light reflection, but also a natural anti slip material. The marble, granite is smooth stone, only light to show the decorative effect, easy to produce light pollution.
1, the sandstone is a sedimentary rock is composed of stone through water erosion sedimentation in the river, after thousands of years of accumulation and strong. After the earth orogeny, and the formation of today's mines.
Also known as sand rock sandstone, sandstone from the mineral particle agglomerates crystalline silicon with disabilities. Sandstone silica had composed of calcium carbonate and iron oxide and mixtures condensed form durable and full of strength, in some areas even more than the hardness of the sandstone granite, the construction is more time-consuming. Sandstone due to its coarse grain expansion, especially hard rate,
