Wall coating is a kind of chemical product that is often used in the process of modern home decoration. Wall coatings add a lot of color to the whole home to a certain extent, and it has a variety of colors, and most of the colors used in home decoration paints. They are mostly white and warm yellow, but no matter what color wall paint, there may be discoloration after the decoration, how to do the color change of the wall paint? Xiaobian suggest to find out the reason why the paint may change color!
The reasons for discoloration of the paint may be:
1. The ester solvent in the varnish reacts with the iron container to become black after it meets water.
2. Turpentine oil easily produces reddish brown pigment in iron drums.
3, gold and silver powder and varnish are prone to acid etching, making the paint color green, dark, tarnish.
4, the storage period is too long, the sediment is discolored.
The above are some of the main reasons that often lead to discoloration of wall coatings. In order to prevent discoloration of coatings, we need targeted prevention:
1. For the shellac varnish which is most prone to discoloration, it is packed in a non-metallic container.
2. Add gold powder and silver powder before using varnish. Do not prematurely add it to varnish for storage.
3, the paint will be deposited for too long, it does not matter, shake it before using it and then fully stir it.
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