With the arrival of summer, the continuous high temperature weather becomes normal, and the temperature of most provinces and cities in our country is above 35 C. This high temperature weather has a great impact on the construction of epoxy floor paint. If we do not pay attention to it, there will be quality problems, such as wrinkling, blistering, pitting, pinholes and so on. The following Guanglei floor paint manufacturers will give you a detailed description of high temperature weather floor paint construction quality problems and treatment methods. 环氧地坪漆漆膜起皱现象
Wrinkle Phenomenon of Epoxy Floor Paint Film1、起皱
Wrinkles in the form of regular wave amplitude ripple on the epoxy floor paint film can sometimes be deep or partly or totally thick. The main reason is that the temperature is too high, because the drying speed of the inner and outer layers of the epoxy floor paint is different, the drying speed of the surface layer of the epoxy floor paint accelerates at high temperature, and shrinks sharply upward, resulting in wrinkles on the surface of the epoxy floor paint. It may also be that the coating is too thick in the construction, the surface of the paint film dries quickly, but the interior is not dry, so it wrinkles.
Processing method: Scrape the wrinkled part with a spade, then use coarse sand paper to grind and smooth it, and then apply it one or two times according to the normal construction technology of epoxy floor paint. Keep in mind that only after the first layer of paint is thoroughly dried, can the second layer be applied, but not too thick.
Foaming Phenomenon of Epoxy Floor Paint Film2、起泡
Foaming is manifested by the presence of bubbles in the paint film. The main reason is that some floor paint coatings contain substances that automatically decompose and release gases. Stirring will also mix gases in the paint. The temperature is too high. The coating solidifies before the gas in the paint is released, and the gas will remain in the coating and form bubbles.
In addition, air or solvent volatile gas formed in the process of coating construction causes bubbles, which is easy to occur when the substrate is improperly treated (such as high moisture content of the substrate, pore is not sealed or there is water on the surface of the substrate) or improperly painted (paint film is too thick, etc.).
Processing method: The surface of the base material should be cleaned, the moisture content of the base material should not be too high. High temperature resistant paints such as water on the surface of the base material should be painted after the water is thoroughly dried. If air bubbles have been generated, the air bubbles can be shoveled off with a spade and repainted with paint.
Pinholes and pitting in epoxy floor paint film3、麻点、针孔
3. Points and pinholes
It is shown that there are fine holes in the paint film which are similar to those made by needling. The main reason is that the volatilization rate of solvent is accelerated in high temperature and the material viscosity of epoxy floor paint is too high. When the gas in epoxy floor coating is released to the outside of the coating through the coating, there will be small holes. But because of the high viscosity of the coating, it can not be eliminated automatically, and the surface of epoxy floor paint will appear pits and pinholes.
Processing method: If the paint is sanded and filled with putty, then brush it once or twice. Brush the varnish several times after polishing and let the paint penetrate into the pore until it is filled.
Normal epoxy floor paint夏季高温天气进行地坪漆施工的建议：
Suggestions for floor paint construction in summer high temperature weather:
1. Avoid high temperature construction as far as possible. Bifurcation construction in morning and evening can be adopted.
2. If the temperature is too high, manual cooling measures can be adopted, such as air conditioning, water temperature cooling and so on, but it is worth noting that water and water impregnation are strictly immersed in the material.
3. Ingredients should not be too many at one time. It is suggested that a small amount of diluents with high boiling point should be selected for each paint preparation.
4. When epoxy primer is applied, it must be sealed tightly and evenly. Never leak out, otherwise pinholes or bubbles will appear on the surface of epoxy floor.
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