Tiles are 10 times more reflective than rough surfaces
According to surveys, most homes and office buildings prefer to use brighter colored tiles for decoration, because bright tiles not only make the room look beautiful and bright, but also make up for the lack of lighting to a certain extent. China Binary Building Ceramics Association Secretary-General Yu Bin said that in general, white light wall light reflectance of 69% -80%, mirror glass is 82% -88%, and the bedroom walls, floor with some tiles (mainly refers to the polished tiles After decorating with some antique bricks, the light reflection coefficient is as high as 90%, which greatly exceeds the physiological adaptation range that the human body can bear. It will cause light pollution and damage human health.
According to Secretary-General Zhai Bin, light pollution in the environment can be roughly divided into three types: first, outdoor environmental pollution, such as the reflective exterior of buildings; second, indoor environmental pollution, light pollution caused by indoor tiles falls into this category. Third, local environmental pollution, such as book paper. Among them, the polished bricks and antique tiles have increased the brightness of the brick surface due to the use of related technologies, resulting in a higher reflection coefficient of the light, which is about 10 times higher than the reflection coefficient of the rough surface decoration. stimulate. In general, people's vision will temporarily drop by 30% after watching TV continuously for several hours. The long-term living in the living room with smooth walls and floors, the light reflex will stimulate the retina, beyond the eye coordination, make the eyes tired, and even lead to reduced visual function.
Light pollution can also cause damage to the cornea and iris of the human eye, inhibiting the function of the retinal photoreceptor cells. The study found that people who work and live in a white, light-stained environment for a long period of time experience a sharp decline in their visual acuity and the incidence of cataracts is as high as 45%. At the same time, they are prone to dizziness, upset, insomnia, loss of appetite, depression, and the body. Weakness and other symptoms similar to neurasthenia.
The survey shows that long-term exposure to various light pollution in the surrounding environment is also one of the major reasons why our country’s young people’s nearsightedness rate remains high.
Choose tiles to make eyes comfortable
Secretary-General Yu Bin said that since August 1, 2005, the state has imposed mandatory signs (3C signs) on the three categories of decoration products, including porcelain tiles, which mainly detect whether its radioactivity has reached the standard. As some ultra-white tiles use additives that act as "white" in the production process, and such additives contain radioactive substances, radioactive contamination and light pollution may be formed.
In the regulations, the certified porcelain tile is a product that complies with GB-T400.1 standard and has a water absorption rate of 0.5 or less. It is mainly composed of polished tiles and antique tiles, and glazed tiles and some wall tiles are not included in this range.
Finally, Secretary-General Yu Bin stressed that the best visual environment should be fully coordinated with the human eye in terms of color, light frequency, brightness, shape of objects, and sports. Therefore, when decorating a home, the best choice is to use matt bricks. The study and children's rooms should be replaced with floor tiles instead of floor tiles. If polished tiles are used, usually a small lamp should be turned on at home, and direct light or reflections must be avoided. Reflective metallic tiles are more intense and are not suitable for use in large areas.
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