The serious indoor pollution is mainly related to the use of decoration materials. A large amount of glue is used inside the particleboard, particle board, fiberboard, etc., which is an important source of pollution for formaldehyde, benzene and TVOC. So which furniture has the highest formaldehyde content? Here we will talk about how to choose interior decoration materials.
What kind of plate has a high formaldehyde content
Formaldehyde is a colorless, harmful gas with a strong pungent odor. It is easily soluble in water and its molecular weight is heavier than air. It can be said that it is difficult to completely avoid formaldehyde in the life of each of us. Formaldehyde in furniture is mainly derived from decorative materials, such as plywood, large core board, fiberboard, and other wood-based panels, as well as painted paint on the surface of furniture. These artificial panels use a large amount of adhesive inside, which causes serious formaldehyde residue.
The main source of indoor formaldehyde, mainly plate pollution
At present, the plates of furniture on the market are mainly MDF and particleboard, so the grade of the board determines the environmental performance of the furniture, and the requirements must conform to the standards of national wood-based panel testing. Although the furniture is assembled on site, the back panel usually uses a single panel. The grade of the sheet is generally low, and the glue content is high, which may cause formaldehyde to exceed the standard. There are also similar problems with drawers, so pay special attention. Other formaldehyde pollution is not very serious and can only be solved with attention.
1. Artificial boards such as plywood, blockboard, medium density fiberboard and particleboard used for interior decoration. In the remanufacturing process, a large amount of glue is used to bond sawdust or small plates together.
2, from the manufacture of artificial panels, furniture will use a lot of artificial panels inside, and some furniture density, formaldehyde is more difficult to volatilize, the evaporation time is generally 3-15 years.
3, from other types of decorations containing formaldehyde, mainly white latex, foam, paint and paint, these residual formaldehyde volatilization is faster, generally can be most volatile in about three months.
4, from interior decorative textiles, including bedding, wall coverings, chemical fiber carpets, curtains and fabric furniture, before use, water washing can remove 80% of formaldehyde residues.
Precautions for choosing decoration materials
Within the ten plates of the decoration materials, the artificial panels should be controlled within five, and the others can be replaced by solid wood panels or new environmentally friendly materials. Even if you buy composite sheets, try to avoid particleboard and particle board. To put it bluntly, these two kinds of wood chips are mixed with glue. After high temperature and high pressure, the formaldehyde volatilization of a particle board is higher than that of a solid wood board in a room!
New environmentally friendly materials: mainly environmental protection, safety, environmental protection materials, environmental protection is reflected in two aspects, first of all, when manufacturing, using environmentally friendly methods for production, no waste generated by environmental pollution or compared with traditional materials less. Secondly, it can replace the items with high environmental pressure when used. The process of use basically does not produce pollution or produces less pollution. Environmental protection mainly depends on whether the impact on the surrounding environment is positive.
When choosing a formaldehyde-removing product, pay attention to careful screening, except that the formaldehyde product has physical adsorption or chemical oxidative decomposition. Physical adsorption is easily saturated due to adsorption, and the replacement frequency is too high. The chemical oxidative decomposition type can be used to remove formaldehyde, which can decompose formaldehyde into carbon dioxide and water. Moreover, the oxidizing product has a high formaldehyde removal rate, which is the principle used by most formaldehyde removal companies in the industry, but it is obviously inappropriate to spray the oxidizing agent at home, and a granular product can be used. The commonly used product is purple plus black, which only needs to be placed in every corner of the room or inside the cabinet to continue to decompose formaldehyde, which can well avoid the increase of indoor formaldehyde concentration in the case of closing the window!
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