Does the tile have radiation? Is it that “tile radiation can cause cancer†as reported by some media? How to buy and maintain tiles? Don't worry, the reporter will answer your questions one by one.
1. Tile radiation does exist
The raw materials of the tiles are made of natural stone, and more or less radioactivity is present. Moreover, in order to facilitate decontamination and avoid erosion, manufacturers generally apply a layer of “glaze†on the surface (the tile is also called glazed tile). This ceramic pigment adds zircon sand as an etchant, while zircon sand is natural. The content of radionuclides is generally high.
2. Standard definition of radiation exceeding the standard: divided into three categories: A, B, and C
Class A has the lowest level of radioactivity, and its production, marketing and use are not restricted;
Class B cannot be used for the interior of Class I civil buildings such as houses, hospitals, schools, etc., but can be used for the exterior finishes of Class I civil buildings and the interior and exterior finishes of all other buildings;
Class C can only be used for exterior finishes of buildings and for outdoor use.
3. Did the radiation I received exceed the standard?
There are two indicators to refer to:
a. Our daily life is in a 0.13μSv/h radioactive environment, safe and normal. The radiation level of the decoration materials is safe as long as it is not significantly higher than the background level.
b. According to the public exposure control standard, the total amount of radiation received per person per year should not exceed 1000 μSv, as long as the total amount of radiation per year is not greater than this standard, it is also safe.
4. How to detect at home?
The use of instrument detection is a simple and effective way. However, there are many types of radiation detection instruments on the market. When purchasing instruments, you need to use products that have been certified by an authoritative organization and produce a product test report.
At the same time, the energy response index of the radiation detector is relatively critical, and experts recommend using the product with the index between 1.0±0.15.
5. Regarding whether the tile is carcinogenic, what does the expert say?
A: Ceramics such as ceramic tiles are irradiated, but radioactive materials are continuously attenuated. After the purification of natural materials and artificial processing, the radioactivity of these materials is negligible.
B: At the time of formulating the "Limited Radionuclide Limits for Building Materials" standard, some experts believed that "the building sanitary ceramic products are harmful to the human body" lacked medical evidence.
In the millennium pottery producing areas such as Jingdezhen in Jiangxi, Foshan in Guangdong, and Tangshan in Hebei, there were no cases of health abnormalities and related medical cases caused by the contact of ceramics with ceramics.
C: Radioactive elements include long-lived natural radioisotopes such as uranium, thorium, radium, potassium, etc., which are classified into natural radiation and artificial radiation. As long as the radiation dose does not exceed the individual dose limit, the radioactivity will not cause harm to the human body;
In layman's terms, the impact of Class B tile radiation on the human body is not as good as the radiation generated by the mobile phone for one minute.
D: The radioactivity of ceramics is no higher than that of high-grade stone. Compared with natural stone, it is even more incomparable. The radioactivity of tile products is much smaller than that of computers.
After reading the experts' opinions, did you dispel the scruples that have radiated tiles over the years?
6. How to buy tiles
Should pay attention to whether it meets the Class A standard
There are some brand tiles, although expensive and beautiful in style, but if you do not take good raw materials, it may affect the health and safety of consumers. When buying tiles, it is best to pay attention to whether the goods on the outer packaging are marked as A. Class standard.
Buy ultra-white bricks to be wary of excessive zirconium silicate
In the production process of polished tiles, in order to achieve the effect of whitening, zirconium silicate is added in an appropriate amount, and some enterprises excessively add for the production of ultra-white bricks, which is the main reason for the excessive radiation of the tiles.
The finer the tile particles, the higher the strength
The strength of a tile is related to its pressure and fracture resistance, which in turn depends on its density. In general, the finer the tile particles, the higher the density, and the higher the breaking strength.
Wall tiles are not as low as water absorption, the better
For wall tiles, it still needs a certain water absorption rate to ensure that the emptying rate of the wall tiles is reduced when paving with cement mortar, and the paving is firm. If only cement mortar is used, it is recommended to select wall tiles with a water absorption rate within a certain range, such as about 10%.
If you want to choose bricks, it is best to choose matt bricks.
Try not to decorate the interior with tiles when decorating. If you want to choose bricks, it is best to choose matt bricks; if you use polished tiles, usually try to open small lights in your home, try to avoid direct light or affect the eyes through reflection.
7. How to care for tiles
Use corner strips
It can protect the tile corners and decorate the gaps. It is recommended to use stainless steel corner strips, the aluminum alloy corner strips are soft, and the extrusion is easy to deform during construction;
Tile grout
Floor tiles are generally not prone to mold and dirt. Most of the tiles are dirty because the cracks in the tiles are moldy or dusty. In fact, a little bit of a caulk can be used to prevent this problem when the tile is applied.
Tile waxing
Do not think that only the floor needs to be waxed. In fact, tile waxing is also a good way to protect the material! After laying the tiles, a layer of wax can improve the water-repellency and anti-fouling properties. If it is not too troublesome, it will be carried out once every 2-3 months, so that the tiles in the home will last for a long time and the life will be extended.
Do not use strong acid cleaner
Do not use strong acid cleaner when cleaning tiles. This will cause accelerated aging and surface chalking of the tiles, which will increase the probability of the body inhaling the tile powder and endanger health.
Timely repair
If the tile in the home is damaged, it should be repaired in time, because the damaged tile particles are not easily found in the food, and the broken tile powder is more likely to enter the human body through the respiratory tract, causing harm to the human body.
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