Choose wallpaper to see and smell
Many people in the decoration, at the same time, found that the wallpaper sometimes emits a strong smell, for this, Sina home reviewers remind the public that the smell of wallpaper may be excessive formaldehyde, buy wallpaper to pay attention to see, touch, smell, wipe . Then, the reviewer will come to give you a general knowledge of wallpaper, in order to prevent formaldehyde pollution. According to the wallpaper surface covering, the wallpaper can be divided into the following categories: 1. Pure paper wallpaper These wallpapers are directly embossed or printed on a flat paper substrate. The paper substrate is thickened with single-layer paper and double-layer paper. At present, more and more products use double-layer paper composite technology to achieve better. D. The main features of pure paper wallpaper are good breathability, good environmental performance and vivid colors. 2.PVC wallpaper (1) PVC coated wallpaper (based on pure paper, non-woven fabric or woven fabric) Pure paper, non-woven fabric, woven fabric, etc. are used as the substrate, and PVC paste resin is sprayed on the surface of the substrate, and then processed by printing, embossing and the like. This type of wallpaper can produce a strong three-dimensional effect after being foamed, and can be made into various realistic texture effects, such as imitation wood grain, imitation brocade, imitation tile, etc., with strong texture and better ventilation. Sexually, it is better able to withstand the erosion of grease and moisture. It can be used in kitchens and bathrooms and is suitable for almost all homes. (2) PVC rubber surface wallpaper (based on pure paper or fabric) This kind of wallpaper is made of a layer of polyvinyl chloride film on the bottom layer of pure paper (or non-woven fabric, woven fabric), which is made by compounding, embossing and printing. This type of wallpaper has a fine print, embossed texture, waterproof and moisture resistance, durable and easy to maintain. This type of wallpaper is currently the most used and most versatile wallpaper and can be used in all home and business settings. 3. Non-woven wallpaper This kind of wallpaper is directly printed on the surface of various types of non-woven materials. The substrate is divided into single-layer non-woven fabric and double-layer non-woven fabric, both of which can be directly embossed, printed or pressed on the surface. . The characteristics of this wallpaper are soft color, soft hand feeling, good breathability and tear resistance, and good space stability (ie, anti-shrinking performance); the wall surface requirements are not high during construction, and the service life is very long. And in the second renovation, the entire wallpaper can be peeled off without damaging the wall. 4. Natural fabric wallpaper Natural fabric wallpaper is made of natural materials such as grass, wood, leaves, stone, bamboo or precious tree wood, which are cut into thin pieces or attached to the surface of pure paper or non-woven substrate. Many manufacturers also use silk first. Wool, cotton, hemp and other fibers are made into a very thin surface layer, which is then bonded to a paper-based or non-woven base layer to make a fabric wallpaper. This wallpaper is characterized by simple and natural style, rich natural flavor, high environmental performance, no plastic smell, no static electricity, and good air permeability. 5. Metal texture wallpaper The metal texture wallpaper is mainly composed of gold and silver. Through vacuum coating and other processes, combined with the ordinary wallpaper production process, the texture of metal materials such as gold, silver, copper, tin and aluminum is achieved on the surface of the wallpaper. The main features are bright metal texture and reflective, stable performance, no discoloration, high value, fireproof, waterproof and so on. 6. Special material wallpaper A wallpaper with special decorative effects or special features produced by the manufacturer to meet the different needs of customers. One is made of Pu (polyurethane) particles, mica, sandstone, sand blasting, crystal and other materials by glue bonding on the surface of the wallpaper, which can produce special decorative and visual effects; the other is to put some functional substances such as Diatomaceous earth, negative ion materials, etc. are added in the production process of wallpaper, and such products can produce special functions such as humidity control, moisturizing, antibacterial, anti-mildew, and air purification. It is understood that the pollution of wallpaper mainly comes from two aspects. First, some materials of the wallpaper itself release volatile compounds, such as toluene, xylene, formaldehyde, etc., especially plastic wallpaper (polyvinyl chloride rubber wallpaper), There may be residual lead, antimony, vinyl chloride and other harmful substances; second, the pollution caused by wallpaper adhesive, in order to make the adhesive have better permeability, manufacturers often use a large amount of volatile organic solvents in production, therefore, adhesive The agent may release formaldehyde, benzene, vinyl chloride, etc. during the curing period. In this regard, experts remind consumers that when buying, be sure to ask the store to see the original box of the entire box, or look at the barcode of the entire roll of wallpaper without opening. When buying wallpapers, pay attention to four points, see if there are color differences, wrinkles and bubbles on the surface of the wallpaper. Is the pattern of the wallpaper clear and uniform in color; touch the wallpaper with your hand, feel the texture is good, the thickness of the paper is thick. Whether it is consistent; whether the wallpaper smells, if there is a pungent smell, it is likely that the volatile substances such as formaldehyde and vinyl chloride are high; wipe the paper with a damp cloth to see if there is any discoloration. In addition, indoor decoration has many sources of pollution. In addition to choosing a good brand when purchasing wallpapers and furniture, it is also necessary to maintain indoor ventilation and control ventilation after ventilation.
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