How should the quality of the paint film of the container house be inspected?

When buying a container house, the first thing people notice is the appearance of the container houses china, and the most important thing is the outermost paint film. The quality of the paint film will not only affect the aesthetic effect of the container houses china, but also determine the appearance of the container house. The service life of the container house. So how should the quality of the paint film of the container houses china be tested? Today Wellcamp manufacturers will take you to find out.

First, look at the color and appearance of the paint film
To inspect the color of the paint film of the container house, we must first use the visual inspection method to see the color of the paint film, and compare it with the standard color plate and standard sample, and carefully observe the evaluation. Before painting outside the house, the color of the paint should be checked. After the paint applied on the test panel has dried, it should be exactly the same as the set standard color. During inspection, it is usually compared with the color code of the standard color card. The appearance of the paint film should be uniform, detailed and glossy.

Second, determine the gloss of the paint film
Gloss is the property of reflecting light in a certain direction when the surface of an object is irradiated by light. The glossiness of the sample is expressed as a percentage of the ratio of the regular reflection light from the surface of the test panel to the regular reflection light from the surface of the standard sample under the same conditions at a specified incident angle.

3. Check the flexibility of the paint film
The method of inspecting the flexibility of paint film in container house is to bend the sample plate on shaft rods of different diameters, and express it with the smallest shaft rod diameter that does not cause damage to the paint film. The flexibility of the paint film is the comprehensive performance of the paint film attached to the substrate after being bent. It is closely related to the tensile strength, tensile strength, thickness and adhesion of the paint film.

Fourth, test the heat resistance of the paint film
The heat resistance of the paint film refers to the change of the phenomenon after the paint film is heated in a blast oven or a high temperature furnace and reaches the specified temperature and time. All paints used in container houses have a certain temperature range. If the temperature is too high or too low, the quality of the paint film will be affected. Especially, the heat resistance of the paint under high temperature conditions is very important. If it is not good, layering, bubbling, discoloration and cracking will occur after use, and the protective performance of the paint film will also be reduced.

Five, test the water resistance of the paint film
The water resistance of the paint film refers to the test by immersing the paint film in water or boiling water. After reaching the specified time, the surface phenomenon of the paint film changes. The water resistance of the paint film is an important step to test the quality of the paint, because many paints are used in water, underground or in a humid environment for a long time. If the paint film peels off and wrinkles after encountering water, it proves that the paint film No protection. Even if it is not used in water for a long time, bubbles are formed, the gloss is lost, or the paint film can be restored to its original state after leaving the water. However, the quality of the paint film will be affected, thereby reducing the protection.

The above are several testing methods for the quality of container houses. You can refer to them and hope to bring you some help. If you have any questions or needs about container houses, please feel free to contact Wellcamp manufacturers.
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