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The advantages and disadvantages of natural marble

The advantages and disadvantages of natural marble

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Natural stone: Natural stone in the natural marble, high-grade granite is the traditional countertop countertops raw materials, more commonly used are two kinds of black and white flowers. Advantages: natural stone with natural lines, more beautiful, hard texture, wear, scratch performance is very prominent, its lower prices, are the most affordable a table material. Disadvantages: 1, with a high radioactive, feel cold; 2, hard enough, lack of flexibility, can not produce more than 1 meter of the table, heated or hit when the break easily, and difficult to repair, modeling is not easy to smooth processing; 3, there are natural pores, easily contaminated, easy to breed bacteria, easily oily, easy to be stained; 4, splicing operation due to artificial color can not match with the natural stone, and its cross-section is not, it can not achieve seamless stitching, and the current natural stone connections are made with domestic plastic, domestic plastic life is short, easy moldy, formaldehyde content.
advantage: Natural marble texture is dense but not hardness, easy processing, carving and grinding, polishing and so on. Marble polished smooth and delicate, natural texture smooth, very high decorative. Marble water absorption is small, high durability, you can use 40-100 years. B. Natural marble with a fine texture organization, solid, polished as smooth as a mirror, texture more than granite stretch, beautiful. Compressive strength is higher (second only to granite), according to the different rock, up to 300MPa, water absorption is small, wear and deformation characteristics. Disadvantages: A. Because marble generally contains impurities, and calcium carbonate in the atmosphere by carbon dioxide, carbide, water vapor role, but also easy to weathering and erosion, leaving the surface soon lost luster. So a few, such as white marble, Ai Yeqing and other pure quality, less stable and durable varieties can be used for outdoor, other varieties should not be used for outdoor, generally only used for interior decoration. The main varieties are: cloud gray marble, flower marble and so on. B. Radioactive: natural marble with radioactive, qualified natural marble on the stone's radioactive strict control, the basic will not cause harm to the human body.
Natural marble is the crust of the original rock through the crust in the formation of high temperature and high pressure metamorphic rocks. Belonging to the hard stone, mainly by the calcite, limestone, serpentine and dolomite composition. The main component of calcium carbonate-based, accounting for more than 50%. There are other magnesium carbonate, calcium oxide, manganese oxide and silica.

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