Except for a few expensive imported wallpapers, most of the wallpapers on the market are synthetic materials, that is, plastics, rubber powder, fibers and so on. Once exposed to various harmful gases produced by high temperature, it will do great harm to human body.
Danger 2
Usually, wallpaper began to appear damp and moldy, degumming and cracking, fading and whitening in/kloc-0 to 3 years, especially in southern areas such as Guangdong. Due to the humid weather, even a series of moldy phenomena began to appear in less than half a year.
Danger 3
In rainy season and humid weather, it is easy to cause moldy walls. Mold is hidden in wallpaper, which can't be washed off or wiped off. Will send out cells through wallpaper, which is harmful to human health, especially to people with asthma and physical allergies.