Interior wall paint is very important for people's life and health. However, many times after the decoration, there will be some common problems such as cracking, falling off, hair flowering, etc. What is the main reason? The reason is to find the best measure to solve.
The main reason is: the finish is embossed and the color is uneven.
1, the quality of the paint itself. If the paint itself has a floating color. This is because the difference in the density of the pigments used in the coating is too large, causing the pigment particles having a small density to float thereon, and the particles having a large density are aggregated at the lower portion, resulting in color separation. Although the mixture is thoroughly stirred during the application, the coating is liable to cause a difference in color during the painting and drying process, and the pigment dispersion in the coating is not good or uneven, which may cause color blooming. The pigment is not well dispersed or the pigments are not uniformly dispersed. When painting or roller floating, it is easy to produce streak chromatic aberration in the direction of the brush and the roller.
2, improper construction caused uneven coating, unskilled construction techniques will also cause different shades of color. The ratio of pigment to base material is not suitable, the color and filler are too much, the resin component is too small, and the color development is uneven. If the base layer is too alkaline, the use of an alkali-resistant pigment in the filler is also liable to cause uneven color.
The main reason is 2: the paint finish is peeling, cracking and falling off.
1. The filming of the shedding itself is not good. For example, when the temperature of the latex paint is too low, the emulsion itself cannot form a continuous coating film to cause cracking, and it will fall off when exposed to water and moisture.
2. In the coating composition, the content of pigment and filler is too high, and the resin content is too low, resulting in poor adhesion of the coating film.
3. The base layer is loose and has impurities such as floating dust and oil stains, and the coating film adheres poorly to the base layer.
4. When the base layer is leveled, the used putty is low in strength and easy to be powdered, especially in the kitchen with large humidity, such as kitchen and bathroom. The putty is low in strength and poor in water resistance. It is easy to swell when exposed to water, causing foaming. Fall off.
5, the base layer is too smooth, easy to cause poor adhesion of the coating film.
6. Improper construction, the first coating is not completely dry, that is, the second coating is applied. The coating film is cracked due to the difference in drying speed inside and outside.
In addition, interior wall coatings need to choose environmentally friendly and healthy. In modern life, many people suffer from sub-health, dizziness, fatigue and lack of spirit. If the interior wall paint brand is not well chosen, it may cause harmful effects such as formaldehyde. Gas pollution seriously endangers the health of the family and themselves.
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