Can external latex paint brush the interior wall?

According to experts, the external wall paint brush interior wall, no problem from the environmental point of view, and the interior wall paint used to brush the exterior wall is not necessarily OK. â–  The exterior wall paint pays attention to the fast interior wall paint to pay attention to the scrubbing According to the introduction, the inner and outer wall latex paint has its own special request, the outer wall emulsion paint is used to brush on the building facade, so the most important index is Anti-ultraviolet radiation, to achieve long-term irradiation does not change color. Interior wall paints are used for interior wall paints, and UV resistance is much lower than exterior paints. Inner wall latex paint has high requirements for scrub resistance, and it is easier to contaminate walls in home life. It can be wiped off with water at any time. The exterior wall requires water resistance and requires self-cleaning properties. The film must be hard, smooth, and dirty. The elasticity of interior and exterior wall paints is very important, and elasticity can prevent cracking caused by temperature and climate change. External wall paint can be used for interior wall brushing because it also has water resistance, while interior wall paint does not have anti-sun function, so it can not be used to paint the exterior wall, but experts suggest that it is still special for special purposes.
â–  Internal and external wall paints have the same requirements for environmental protection People raise the question of whether external wall paints can be used to paint internal walls. The main concern is environmental protection issues. They are worried that external wall paints will have low environmental indicators and will cause indoor air pollution. In fact, as long as it is latex paint, no matter whether it is interior wall paint or exterior wall paint, there is no pollution. According to another report, the National Anti-aging Test for External-wall Latex Paints is stipulated as 250 hours. The national standard for resistance to scrubbing of latex paints is: 100 qualified products and 300 first-class products. â–  Easy method for distinguishing the quality of latex paint No matter what type of latex paint is used to brush the interior wall, the quality of the latex paint itself is the key to pass. Consumers need to have some simple identification methods at the time of purchase. Apply a latex paint to your fingernail or finger and, after a minute or two, a quality latex paint will form a film that is strong and glossy. If it is powdery, no filming is caused by too much additive. The main component of latex paint is a sticky cleaner, which is matched with an appropriate amount of pigment, additional material, and water (solvent). Adding additional materials can reduce the cost and the quality is difficult to guarantee. The counterfeit and inferior latex paint on the market is basically produced in this way. Consumers should pay attention to identification.

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