When people buy ceramic tiles, they pay more attention to their color and quality. However, few people know about the radioactive pollution caused by laying tiles or using stone in large areas. Experts said that when purchasing tiles, they should consult the merchants whether the radioactivity of their tiles is up to standard and whether they can produce relevant reports.
?? ·Shopping Guide·
?? Tile radioactivity can not be ignored
Compared to the floor, ceramic tiles have unique natural textures, so many consumers will lay floor tiles and wall tiles in large areas indoors. Song Guangsheng, director of the China Indoor Environmental Monitoring Working Committee and the National Indoor Environmental Quality Inspection Center, reminded consumers that some unqualified tiles are radioactive, and radionuclide radium will release cockroaches. Once the body absorbs too much cockroaches, serious can cause The immune system is damaged and induces chronic radiation diseases such as leukemia and tumors, especially for the elderly, children and pregnant women.
Song Guangsheng said that the current state has a clear standard for the radioactivity of interior decoration materials. In the standard of radioactive nuclides for interior decoration materials (GB6566-2010), the radioactive pollution standard for interior decoration materials is divided into A. Class B and C, the production, sales and use of Class A materials are not limited, and can be widely used in various interior decoration including living room; Class B materials can not be used in civil buildings (residential, hospital, school, etc.) Finishing; Class C material can only be used for exterior finishes of buildings and for outdoor use.
The standard also clearly stipulates that the manufacturer of the decoration material should indicate its radioactive level category in its product packaging or instructions. When purchasing tiles, the manufacturer should be required to show the product specification to check whether the radioactivity standard of the tile reaches Grade A. In addition, consumers should go to the regular store or building materials market to buy ceramic tiles, and do not blindly greet products that are too cheap.
??· Decoration Tips·
How to avoid indoor radioactive contamination?
?? Carefully choose decorative materials
?? Interior decoration should choose Class A decoration materials to reduce the radiation hazard from the decoration materials. Generally speaking, the radionuclide of natural stone is higher than that of ceramic tile, and the radionuclide of granite in stone is relatively high, especially the red granite radionuclide is higher. Due to the mandatory implementation of national standards, the radioactivity of most ceramic tiles on the market is in line with the standards.
? Conduct indoor environmental radioactive cesium pollution detection
?? Indoor radioactive contamination is closely related to the spatial volume, material area and ventilation of the indoor environment. Therefore, for the indoor environment radioactive pollution caused by ceramic tiles, on the one hand, do not be excessively nervous, on the other hand, pay attention to the radioactive pollution detection after the decoration, and detect the radon pollution content in the indoor environment according to the national indoor environmental standards, in line with the indoor environmental quality standards. You can feel at ease, or ask the testing unit to test the tiles and stones.
?? Correct understanding of the dangers of indoor radioactive pollution
In addition to understanding the hazards of chemical pollution, it is also necessary to recognize the hazards of physical pollution, to avoid radiation hazards in indoor environments, and to strengthen protection. In particular, it is necessary to control the interior decoration materials to reduce the radiation probability.
? When the radiation in the indoor environment is out of the normal range, measures should be taken to prevent the damage caused by radiation. It is necessary to understand the knowledge of radiation protection and strengthen self-protection.
?? If you use unqualified tiles, don't panic too much. It is recommended that owners who use over-sized tiles measure the concentration of radon in the indoor environment and effectively manage it. Reporter Liu Xiaoxin
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