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Chengdong Industrial Park, Zhangqiu City, Shandong Province

 

Real stone paint manufacturers: the properties of exterior paint

Release time:
2019-03-11
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[Abstract]:
The decoration of the exterior wall of the building used to be more traditional materials such as veneer bricks in the past, but the veneer materials such as ceramic tiles and stone have good durability, but the disadvantages are also obvious:

The decoration of the exterior wall of the building used to be more traditional materials such as veneer bricks in the past, but the veneer materials such as ceramic tiles and stone have good durability, but the disadvantages are also obvious:

1, the wall is not continuous

2, the color is not easy

3, the time will peel off, fall and hurt people

4, the tile gap is not waterproof, etc.

 

Since the quality of coating technology has reached a very high level, the service life can reach 15 years or even higher, and its rich color and texture and economical cost have been paid more and more attention. At present, in the architectural decoration, whether it is the construction unit or the designer, it has gradually become keen to use the paint as the exterior decoration. Because the exterior wall paint is exposed to the external environment and has been tested by nature, its design requirements are obviously higher than that of the interior wall paint. What characteristics should the exterior wall paint have? The exterior wall paint is used for painting outside the building. Wall surface, so an important indicator is anti-ultraviolet radiation, which requires long-term exposure without discoloration. Exterior wall coatings are also required to have water resistance and are self-cleaning. The paint film should be hard and flat, and the dirt will fall off. Exterior wall paint can be used for interior wall painting because it also has water resistance; while interior wall paint does not have anti-sun function, so interior wall paint cannot be used as exterior wall paint.

 

In general, exterior paints pay more attention to the following attributes:

1. Elastic crack resistance: In order to level the building, the thick mortar is usually applied, and there are many points for repairing. These mortars may be cracked due to the stress generated by the cement curing process or due to the cold and hot weather. In addition, the old wall may cause wall cracks due to loose structure. If the coating does not have the ability to resist cracking, it will cause cracking and lose the protection and aesthetics of the wall.

2, long-lasting color: exterior paint is exposed to the sun and rain, the continuity of the coating color is severely tested, the energy of ultraviolet light can usually make some pigments degenerate and fade. Therefore, long-lasting paints are popular.

3. Breathability: Like interior paints, exterior paints must also have breathability, which is even higher than interior paints.

4, water resistance: a must-have function of paints and other exterior wall decoration materials: waterproof, coatings that do not have water resistance will soon lose their waterproof ability.

5, anti-freeze and thaw: This is very important in the cold regions of the north, the freeze-thaw cycle will cause the coating to crack and affect various performance indicators.

6, anti-pollution: air pollution is getting more and more serious, the surface of the exposed paint will quickly become dirty. It is an urgent need to develop functional coatings that are static-free, non-sticky, and that are dense and non-dusting.

7, strong adhesion: requires strong adhesion, otherwise the coating will fall off or cracked due to various weather or structural changes in the building.

8. Covering power: The outer wall is very light, and the base wall is generally darker in color. The poorly covered paint can not cover the underlying color and will affect the appearance. Generally speaking, the high refractive index rutile titanium dioxide is a good choice.

9. Durability: The amount of external wall engineering is very large. If the durability of the coating is poor, the frequency of refurbishment will be high, and the cost will rise linearly and will affect the living and office. The use of durable high-grade resin emulsions as a base coating base is essential.

10, good decorative: can reflect the design intent and decorative effect of the design.

11. Construction and maintenance are easy.