Common knowledge of coating: do not purchase interior wall paint when selecting coating

Core tip: for many people, home is not only a house, but also a harbor to accumulate warm and positive energy Therefore, home decoration should not only pay attention to beautification and decoration effect, but also consider safety and environmental protection, especially coating selection Next, Xiaobian will list the key points of interior wall paint purchase to teach you to stay in a healthy home easily A look at VOC content VOC refers to a kind of volatile organic compounds that will cause harm, including formaldehyde, benzene and other substances When the VOC in the room reaches a certain concentration, it will cause headache, nausea, vomiting, fatigue and other symptoms, Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint In fact, there is no ugly color in the wall paint, only the disharmonious color matching The use of wall color contains the knowledge of health Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health Grasp the basic principles of wall color and paint a colorful space 1、 Wall paint color selection notice 1 Light color is generally used for the top surface Light colors make people feel light, dark colors make people feel heavy Usually, the treatment of rooms is from top to bottom, from shallow to deep For example, the ceiling and walls of rooms are white and Paint Home News: for many people, home is not only a house, but also a harbor to accumulate warm and positive energy Therefore, home decoration should not only pay attention to beautification and decoration effect, but also consider safety and environmental protection, especially coating selection Next, Xiaobian will list the key points of interior wall paint purchase to teach you to stay in a healthy home easily At first glance, VOC content refers to a kind of volatile organic compounds that will cause harm, including formaldehyde, benzene and other substances When the VOC in the room reaches a certain concentration, it will cause headache, nausea, vomiting, fatigue and other symptoms, and even lead to convulsion, coma, damage to the liver, kidney, brain and nervous system, resulting in memory loss and other serious consequences It is understood that the national VOC content in the coating is a mandatory executive standard, that is, VOC ≤ 200g / L Consumers can refer to this standard when purchasing interior wall paint The lower VOC content is, the more valuable the interior wall paint is Second, heavy metal content mainly refers to soluble lead, cadmium, chromium, mercury and other substances Some heavy metals are essential trace elements for human body in a certain concentration, but when the amount entering human body exceeds the limit that human body can tolerate, it can cause serious physiological damage and cause multiple diseases The sources of heavy metals in coatings are mainly pigments used, and most of them are yellow, orange and red According to the regulations of the U.S Environmental Protection Agency, paint with a lead content of 10 mg / cm2 is considered to be leaded paint; according to the regulations of the limit of harmful substances in interior wall paint of interior decoration materials in China, the soluble lead content in interior wall paint shall not be higher than 90 mg / kg Generally speaking, most of the interior wall paints sold on the market are paints, and the VOC and heavy metal content in the paints are generally high Due to the fierce competition and lack of standardization in the paint industry, there are many small enterprises that produce and sell inferior paint products because of vicious competition, which directly threatens the health of the public consumers In this regard, experts suggest that, under the conditions permitted by the situation, it is better to choose water paint products, which is more secure Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,