Buy tiles to check that the eyes are comfortable and good tiles

Gao Xiaomin of Jianguo Road stayed in the renovated new house for only half a year, and felt that the floor tiles in the home were a bit too bright, especially at noon of the big sun. When I came home, I saw the ground flowers, the floor tiles were very glaring, and the children said that the home floor It’s not a tile but a mirror. It’s very nervous.

Medical investigations have shown that long-term exposure to various light pollution in the surrounding environment is one of the main reasons for the high rate of myopia among young people. In the home decoration, if the floor and wall are made of inferior tiles, the light reflection coefficient reaches 90%, which exceeds the range that the human body can bear, which will cause “light pollution” and damage health.

The tiles are too bright to become "light pollution"

The use of bright tiles like Gao Xiaomin not only affects the warmth and comfort of the home environment, but also affects the family's vision and health in the long run.

According to the authoritative survey data of the National Building Sanitary Ceramics Association, the light reflection coefficient of mirror glass is 82%~88%, while the ground and wall surface decorated with inferior glossy tiles have a light reflection coefficient of up to 90%.

Long-term living in the wall and the ground is too bright in the home environment, light reflection will stimulate the retina, beyond the eye's adaptability, not only will eye fatigue, and even lead to decreased visual function, but also easy to cause dizziness Symptoms such as nausea, upset, insomnia, loss of appetite, depression, and physical weakness.

Lai Tiande, general manager of Qianghui Tiles, said that since August 1, 2005, the state has implemented a mandatory mark (3C mark) on three types of decoration and decoration products, including porcelain tiles, which mainly test whether the radioactivity is up to standard. Since some ultra-white and bright ceramic tiles are used in the production of "white" additives, and the additives contain radioactive substances, light pollution and radioactive contamination are formed.

"Check" to buy good tiles

Five points of plum building materials Liu Yan manager prompted that to buy high quality and good ceramic tiles, five "inspection" work can not be less.

First of all, you can check the relevant certification materials of ceramic tiles, such as whether it has passed ISO9001, ISO4001 certification; whether there is a product quality exemption certificate issued by the State Quality Supervision, Inspection and Quarantine; whether it is a national famous brand product; whether there is a manufacturer's authorization and other relevant certificates.

Open the outer packaging, when the actual inspection of the tile, you can start from the surface appearance inspection, size specification inspection, permeability inspection, sound inspection.

Surface appearance inspection, first check the outer packaging, whether to mark the origin, specifications, etc.; whether the outer packaging pattern is clear. Three products can not be purchased; when checking the appearance of the tile, in the light environment, whether the tile mirror is bright and white, with or without pinholes, black spots, etc., the quality standard stipulates that the genuine tiles are not allowed to have cracks, the tile front cannot No glaze, smokeless smoke, no obvious color difference, no more than 3 glazed spots.

Dimensional inspection, can take four or more tiles on the plane, see if the four corners are 90 degrees, whether the color is consistent, the pattern is complete; then compare the size of these tiles is the same, the difference is best controlled below 1 mm.

High-quality tiles have a low water absorption rate, because the tiles with higher water absorption shrink and swell, causing surface cracks and peeling of the entire tile. If the water layer does not indicate the water absorption rate, the water droplets will be on the back of the tile, and after 5 minutes, the water absorption is low, indicating that the water absorption rate is low and the quality is good.

The sound check is also very intuitive. Tap the tile. If the sound is crisp and pleasing, it indicates that the porcelain is higher and the quality is good. Conversely, the sound is hoarse, there may be cracks in the brick, the degree of porcelain is low, and the quality is poor.

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