Question 1: Does natural marble have an effect on the body?
A: Natural marble does not harm the human body and can be used safely in any place. Natural marble belongs to sedimentary rocks and is mainly composed of carbonate minerals. From the analysis of geological processes formed by natural marble, its formation is not directly related to radioactive materials, so it is not harmful to human body. Natural stone and ceramic tiles are classified into three categories according to the level of radioactivity: A, B, and C. Class A products can be used in any occasion, including office buildings and family rooms; Class B products are more radioactive than Class A and cannot be used in the interior of the living room, but can be used for the interior and exterior finishes of all other buildings; C The radioactivity of the products is higher than that of A and B, and can only be used for the exterior finish of buildings. Natural marble belongs to category A, which means that natural marble does not harm the human body and can be used safely in any place.
Question 2: Does natural marble have relevant standards, is it radioactively tested?
A: Yes, JC/T 202-2011 "Natural Marble Blocks" industry standard and GB/T 19766-2005 "Natural Marble Building Panels". The national authority has tested the radioactivity in natural marble. The radioactive specific activity of the radionuclide ra-226, é’-232, and potassium-40 is much lower than that of the standard A. Therefore, the relevant standards issued by the Ministry of Housing and Urban-Rural Development also clarify the natural The marble does not need to be radioactively tested, nor does it need to issue a radioactive test report. At the same time, the General Administration of Quality Supervision, Inspection and Quarantine does not require radioactive inspection of the entry and exit natural marble. This year, the National Stone Quality Supervision and Inspection Center and the China Stone Association also jointly issued the "Notice on the Radioactive Harm of Marble Products to the Human Body".
Question 3: What areas can natural marble be used for home decoration?
A: In modern home decoration, natural marble is used more and more. Natural marble is also widely used in the ground, wall, countertop, stairs, jigsaw, TV background wall, door window, various Modeling and stone furniture. Natural marble has many varieties, natural textures, diverse colors and durability. In addition, marble plates are relatively large in size. They can be cut and combined according to the requirements of use. Different colors have different textures to achieve various effects, so they are loved by many consumers. In addition, the raw materials of natural marble come from our nature. Each piece is unique and cannot be copied. It is only cut, polished and spliced ​​into our living space. It does not need complicated processes such as high temperature sintering, so it is said It is a low carbon and environmentally friendly material.
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