After the construction of the wall paint, the most troublesome thing is that the paint is yellowed, especially the white wall. The yellowing of paint not only affects the overall effect of home decoration, but also requires a lot of effort to renovate. So why is the wall paint yellowing? How can we remedy it?
There are three main reasons for causing yellowing of wall paint:
Latex paint: If the latex paint crosses the paint with TDI, the chemical reaction will occur and the wall will turn yellow.
Oily paint: When the ultraviolet light is irradiated for a long time, the unsaturated structure in the resin paint will change, oxidize or even chemical bond break, resulting in yellowing of the paint film.
White paint: Many manufacturers use the achromatic color to bleach the eraser when making the board. When the curing agent of the polyester white paint reacts with the oxidizing substance in the bleaching agent, the wall surface becomes yellow.
So what should we do after the paint is yellowed?
In general, paint yellowing is difficult to handle and most of it needs to be refurbished. However, we can use some methods to prevent the paint from yellowing after the renovation.
It can be wiped with a small sponge and a liquid containing a soft abrasive component. Generally, it can be wiped once a month, so that the white paint can be kept bright for a long time. In addition, you can also use toothpaste to wipe, but the toothpaste can only be used once. If used two or three times, the surface of the paint will be dull and dirty. At the same time, scratches can also cause the surface to adhere to dust quickly and shorten the life.
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