How to improve the indoor air quality, experts give the following recommendations: control the use of sheet metal, avoid complex decoration process, select environmentally friendly furniture, is the three key to improve indoor air quality.
Experts pointed out that the adhesives used in the production of wood-based panels and other decorative materials are mostly urea-formaldehyde resins with formaldehyde as the main component. The residual and unreacted formaldehyde in the board is gradually released to the surrounding air, which is the main body of formaldehyde in the indoor air. Decorative materials such as wallpaper, chemical fiber carpets, foams, paints, paints, etc. may also contain small amounts of formaldehyde and may be released outward. Therefore, in the case of economic conditions, the public should try to select E1, E0 (environmental-grade) plates, but avoid large-scale use in small rooms. If E2 grade non-environmental wood-based panels are used (E2 grade is qualified), the amount of sheet metal used should be strictly controlled.
Environmentally friendly design to avoid pollution
It is not all the environmentally friendly materials that are decorated without pollution. It also needs environmentally friendly design. Through reasonable design means, the materials used in the home design should be used as little as possible. Many home decoration materials are environmentally qualified. The product, but the final detection of indoor environmental pollutants is still exceeding the standard. This is due to the “overlay effectâ€. For example, the harmful content of a plate is N, which can reach the concentration limit of environmental pollutants. If the quantity we use is 10 or more materials, the concentration of harmful substances in this specific space will reach 10 times of N. Or higher, not to mention that home renovation can be done not just with just one material. Moreover, it is necessary to reserve some pollution space when decorating, because there will be some pollution in the later furniture.
In addition, the complicated decoration process requires the use of a large number of decorative auxiliary materials such as paints and adhesives, which cause aggravation of pollution. It is best not to use them, and try to choose a simple decoration process.
In addition, the indoor environmental pollution caused by decoration and furniture can not be ignored. Especially the interior design and layout of the children's room and master bedroom are more elaborate. There are often combination wardrobes, bookcases, TV cabinets, dressing tables, etc. Some children's rooms are also equipped with toy racks, plus the children's room and main bedroom air conditioners are used more frequently. The window is less ventilated, and the children's room often becomes the room with the worst air quality in the family, followed by the master bedroom. Therefore, whether the public purchases these indoor furniture or asks the decoration unit to make it, it is necessary to strictly select the materials. Here are a few suggestions:
1, the newly bought furniture should not be rushed into the room or use, it is best to let the harmful gases in the furniture release as soon as possible, and then use it after a while. Special attention should be paid to the furniture in children's rooms.
2. Use the wardrobe made of newly-made artificial wood, try not to put underwear, pajamas and children's clothing. Because formaldehyde is an allergen, when the amount of formaldehyde released from the fiber to the skin exceeds a certain limit, it can cause reactive dermatitis.
3. Consumers who buy new furniture can choose plants and other effective purification measures and materials that have the function of adsorbing harmful gases, and reduce the harm of harmful gases released by furniture to human health.
4. If you find that there is furniture pollution indoor environment problems, you should promptly ask the relevant departments for testing and handling.
The overall passing rate of room air in April-October was lower than in other months. It is because the climate in this city is relatively hot and humid during this time, especially in midsummer from July to September, it is the hottest time of the year, the temperature is high, and the release of volatile substances in the material will increase sharply. Studies have shown that for every 10 °C increase in temperature, the amount of formaldehyde released almost doubles. When January-March is at the coldest of the year, the release of harmful substances will decrease significantly as the temperature decreases.
Experts pointed out that indoor environmental pollution has three characteristics of long-term, low toxicity and damage lag. The indoor air quality standard (GB/T18883-2002) lists formaldehyde, benzene, toluene, xylene and hydrazine. Common indoor environmental pollutants. In addition to the higher concentration of formaldehyde, there are irritating odors, and low concentrations of benzene and benzene are not easily noticed. The monitoring data of the Changsha Municipal Center for Disease Control and Prevention in recent years shows that the proportion of indoor environmental pollution is slightly over-standard, and it is often difficult to directly discern it through the senses in a slightly over-standard environment.
Experts suggest that the public will stay at least 6 months after the renovation of the new home. The houses that have been renovated in the winter and spring seasons are best to be “smelling†in the summer and autumn seasons, and stay in the winter; the houses decorated in the summer and autumn are suitable for the next spring and winter. In order to ensure the air quality of the living room, the public can check the air quality of the living room before the check-in. The families with pregnant women, children and the elderly must stay in the house after passing the test.
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Label: How to improve indoor air quality
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