Types of wallpaper
PVC wallpaper: PVC, that is, polyvinyl chloride, is a polymer material and the main material for making PVC wallpaper. At present, most of the wallpapers sold in the market are PVC wallpapers. PVC wallpaper does not contain formaldehyde. PVC wallpaper has a wide variety of colors, affordable, waterproof, easy to clean, wear-resistant and abrasion-resistant, and is deeply loved by consumers.
Non-woven wallpaper: Non-woven fabric is a kind of sheet material with the characteristics of cloth, which is made of chemical fiber or plant fiber without spinning. Non-woven wallpaper is breathable, sound-absorbing and moisture-proof; It is easy to decompose in environmental protection performance, non-toxic and non-irritating, and does not contain formaldehyde; As a wallpaper material, it is not only thin in texture, easy to construct, but also flat in seam, low in tension and not easy to warp.
Paper wallpaper: Paper wallpaper is natural, comfortable, breathable, environmentally friendly, tasteless and formaldehyde-free. Products with poor paper quality may turn yellow slightly after a long time.
Does wallpaper contain formaldehyde?
Environmental performance of wallpaper, from the environmental performance of wallpaper itself, paper wallpaper and non-woven wallpaper have outstanding environmental performance, do not contain harmful substances such as formaldehyde, and have certain adsorption function. In the production of PVC wallpaper, additives such as plasticizer should be added. The additive itself contains organic volatile substances, which are odorous when volatilized, and some are harmful to human body. However, the above three types of wallpaper do not contain formaldehyde, and the formaldehyde pollution problem of wallpaper we often mention is mainly in the adhesive of wallpaper to be introduced below.
The environmental protection performance of the adhesive for pasting wallpaper, wallpaper needs adhesive to be pasted on the wall, and the adhesive generally contains formaldehyde. Adhesives are mainly divided into two types: organic solvent and water-based. Organic solvent-based adhesives contain not only formaldehyde, but also organic volatiles such as toluene and xylene in most cases. In recent years, most of the environmentally friendly adhesives on the market are water-based, such as glutinous rice glue. Although these adhesives are relatively environmentally friendly, formaldehyde is added as a preservative, so formaldehyde will be released more or less. However, the formaldehyde in this glue has two characteristics: first, the release amount is relatively low, and second, the formaldehyde release cycle is relatively short, generally about half a year.
Does wallpaper contain formaldehyde? What kinds of wallpaper are there? What are the characteristics of different kinds of wallpaper? These small series have been introduced to you in detail above. There are many ways to use wallpaper, but basically all of them use adhesive. Now the adhesives used in the decoration process basically contain a certain amount of formaldehyde, which is easy to volatilize and will have a great impact on people in life.
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