With the increase of time, the color of epoxy floor paint will gradually fade, and some other problems will arise. Generally, the service life of epoxy floor paint is 5 to 15 years. In order to increase its service life, it is necessary to do a good job in the daily maintenance of epoxy floor paint. We all know that epoxy floor paint is a kind of high strength, wear-resistant, beautiful floor material, with seamless, solid texture, good resistance, anti-corrosion, dust-proof, easy maintenance, low maintenance costs and other advantages, has been loved by everyone. However, the biggest disadvantage of epoxy floor paints is that color change occurs under certain conditions. The so-called color change refers to the fading of paint, or from one color to another. The most common occurrence of these situations occurs at the time of construction or storage. The specific reasons are as follows:
Reasons for discoloration of epoxy floor paint materials:
1. The density difference of the pigments is too large: the color is a mixture of two or more primary colors. When the density difference of the pigments is too large, the density of the pigments will rise, and the density of the pigments will sink, which will cause the phenomenon of layering of the pigments, thus resulting in the uneven distribution of the overall color.
2. Sunshine exposure: materials with poor weather resistance will turn yellow when exposed to sunlight;
3. Causes of corrosion: metal powder pigments are corroded by residual free acid, resulting in dark green pigments;
4. Reaction with barrel: The higher acid value of epoxy floor varnish reacts with the stored barrel to make the color darker;
Solutions to the discoloration of epoxy floor paint materials:
1. Epoxy floor paint should be stirred for a long time in use.
2. Resins and pigments should be selected according to the needs, such as outdoor floor paints. Waterborne polyurethane floor with better light and heat resistance should be selected.
3. Metal pigments and varnishes should be stored separately to avoid corrosion.
4. Coatings with high acidity should not be packed in iron barrels.
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