Non woven wallpaper is not easy to mildew in case

2022-07-22
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At present, PV is the main component of home decoration wallpaper? C? (polyethylene), pure paper, non-woven polypropylene and non-woven wood fiber. The latter two industries are popularly called non-woven fabrics. By comprehensively comparing the advantages and disadvantages of these four wallpapers, the latter two are more suitable for use in the south

at present, home decoration wallpaper is mainly divided into four materials: PV C (polyethylene), pure paper, non-woven polypropylene and non-woven wood fiber. The latter two industries are popularly called non-woven fabrics. A comprehensive comparison of the advantages and disadvantages of these four Wallpapers shows that the latter two are more suitable for use in the south. Non woven wood fibers have the best air permeability, followed by non-woven polypropylene and pure paper, and PV C material has the worst air permeability

I. non woven wallpapers are not easy to mildew in case of moisture

why choose wallpapers with strong permeability in the south? Because the mildew on the wallpaper belongs to anaerobic change, three conditions must be met: water, starch or protein, and no oxygen. Starch glue is generally used now, so from the perspective of wallpaper paving process and environment, the two conditions of starch or protein and no oxygen have been met. To produce anaerobic changes, the third condition is water. When returning to the South sky, it is inevitable that a certain amount of water will seep into the bottom layer of the wallpaper from the gap of the wallpaper, which undoubtedly has the possibility of anaerobic changes in theory. At this time, since the three conditions of mildew cannot be changed, we can only change the performance and function of wallpaper to avoid mildew. This performance refers to the permeability of wallpaper

the permeability of wallpaper is related to the final service life of wallpaper from a certain point of view. To judge the permeability of the wallpaper, consumers can do a dripping test by themselves. The method is to take a small sample of the wallpaper and drip it on one side. After 5-10 minutes, observe whether the water can penetrate the other side. If it can penetrate, it means that it has good air permeability, and it can quickly distribute the moisture of the wall and wallpaper after being affected by moisture

second, how to avoid mildew on wallpaper

the wall should be waterproof. The walls near the bathroom, kitchen and outer wall should be waterproof before paving. Avoid releasing moisture after the wall is damp, and provide conditions for the mildew of wallpaper. When paving, it is best to avoid wet weather to achieve better results

maintain once a month. Because the indoor air is circulating, it is inevitable that some spores will fall on the wallpaper. If you don't take care of them at ordinary times and encounter the appropriate humidity and temperature, if you return to the south, the spores will grow and produce mildew. Therefore, it is best to clean the wallpaper with a feather duster every month to reduce the chance of mildew

III. how to deal with the warped edges of wallpaper

the treatment method for warping of wallpaper depends on the material. PV C wallpaper is composed of two materials: the PV C film on the surface and the paper on the bottom. The PV C film will shrink under the influence of temperature, while the paper will expand under the influence of water. The inconsistency between expansion and shrinkage leads to the layering of wallpaper, and the p V C film on the surface may roll up. The treatment method is to heat the warped part with an electric hair dryer to change its hardness, and then glue it with strong glue after pulling it in place

the reason why pure paper, non-woven polypropylene and non-woven wood fibers will curl is that under the condition of high moisture, the glue will be diluted, thus losing the viscosity of the glue itself, resulting in local degumming. The treatment method is relatively simple, as long as you use a syringe to inject glue and scrape it flat

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