“The more vivid the color, the more toxic it is.†This sentence is not just a poisonous mushroom, it may also be the paint in your home. Colorful paint can rejuvenate the home environment and may also quietly threaten the health of you and your family.
According to the US Environmental Protection Agency, paints with a lead content of 10 milligrams per square centimeter are considered to be lead-containing paints; China's "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings" stipulates that soluble lead content in interior wall coatings shall not be More than 90 mg / kg. However, the news about "the amount of lead in paint is exceeding the standard" is often reported. According to a survey conducted by the China Center for Disease Control and Prevention, one third of children in China currently consume excessive amounts of lead, of which household decorative items are the most common source of lead pollution in children.
Lead-containing compounds such as Huangdan, Hongdan and lead white are the most commonly used additives in paints and coatings. Their main function is to keep the color of paints bright for a long time. Song Guangsheng, director of the National Indoor Interior Environment and Indoor Environmental Product Quality Supervision and Inspection Center, told the Life Times reporter that in theory, the brighter the color of the paint, the more heavy metals such as lead, and the greater the harm to the human body. . Wang Yiqiang, deputy secretary general of the China Building Decoration Association, said that the industry has done a test. Among the paints of various colors, the lead content of orange paint ranks first, followed by yellow, green and brown. In addition to lead, Song Guangsheng emphasized that paints may also contain heavy metals such as cadmium and mercury that are hazardous to health.
When the human body is exposed to lead in the air or on objects for a long time, it may enter the human body through the respiratory system, digestive system or skin, which may cause toxic reactions such as anemia, memory loss, joint pain, and may even cause intestinal cramps, muscle spasms and the like. . Song Guangsheng said that many children are used to touching the wall or objects with their fingers, then sucking their fingers, which is easy to cause lead poisoning.
However, people do not need to panic too much. Song Guangsheng believes that with the advancement of manufacturing processes, lead in paint is not easily volatilized into the air. Therefore, in general, as long as it is a paint that meets national standards, the harm to the human body is weak. Then, how can we choose a good paint for environmental protection? Zhang Ren, secretary-general of the Residential Decoration Committee of China Building Decoration Association, has made a few tricks for the majority of consumers:
It is best to buy a big brand of paint. The brand paint has undergone heavy inspection and strict sampling, and its environmental quality is relatively reassuring. When consumers are shopping, don't blindly believe in the concepts of “net taste†and “environmental protectionâ€. Most of them are speculation in the business, so pay attention to check the product test report.
Water-based paint is more environmentally friendly. Most oil paints contain heavy metals and other pollutants, and water-based paints are relatively healthy and environmentally friendly. If it can be replaced, use water-based paint as a decorative material.
It is safer to use light paint. Wall paint, especially children's room wall, do not decorate too bright, try to use less paint, if you must use, it is best to choose a lighter paint.
Good paint will flow into a fan shape. Stir the paint evenly with a wooden stick, pick it up, and when the quality product flows down, it will form a fan shape; after a period of time, the surface of the high-quality paint will form a thick, elastic oxide film, which is not easy to crack, and the defective product is Only a thin film is formed, which is fragile and has a spicy smell. It is best to buy the same brand when buying paint. Do not mix different brands of products to avoid chromatic aberration.
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