4hw.org: wallpaper is an indispensable decoration in our decoration process. The wallpaper on the market, no matter from the pattern or the craft, is full of variety, which makes the consumers choose the eyelash. The non-woven fabric and PVC are two categories of wallpaper popular with consumers. However, some bad businesses, for the sake of pursuing interests, take all kinds of inferior PVC wallpapers as inferior ones, full of all kinds of substances harmful to human body How to distinguish the inferior wallpaper? Let's have a look at it together!
1. Odor identification
When you open the wallpaper sample, it's better to use a new sample, and smell it closely with your nose. If it's a good non-woven wallpaper, it should give off light wood fragrance, or almost no smell. If there's a smell, it must be a poor PVC wallpaper with problems.
2. Fire discrimination
Light a small piece of wallpaper with a lighter and observe the smoke it emits. If it's a high-quality cloth, it won't emit black smoke during the burning process. You can smell a light wood fragrance, and there will be white dust after burning. If you smell the odor like plastic, accompanied by thick smoke, the burning ash is black, it is likely to be PVC wallpaper.
3. Water drop identification
Use water drops on the surface of the wallpaper to observe whether the water can penetrate the surface of the wallpaper. If you can't see it, it means that the air permeability of this wallpaper is very poor, which is not natural.
4. Blister detection method
Tear off a small piece of wallpaper and throw it into the water. Then scrape both sides of the wallpaper with your fingers to see if there is any blistering or fading. In fact, the real pure natural high-quality wallpaper is very strong. The colors on it are all natural ingredients extracted from natural flowers and flax, and will not fade easily.
I hope that you can identify the advantages and disadvantages of wallpaper when you choose it, so as to avoid being trapped. How to identify the quality of wallpaper will be introduced here