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For the current construction market, there are many new types of building materials, but the diversity of color steel plate makes it gradually become a popular choice. It is important that it can meet people's needs in all aspects. As people's requirements for building materials are higher and higher, so people should pay attention to the quality of building materials when they buy them. Therefore, it is very important to learn how to judge the quality.
Observe the thickness of the substrate and the thickness of the coating: the color steel plate is composed of the substrate and color peritoneum or coating. We need to consider the thickness of the substrate and the peritoneal coating. The better steel substrate is 0.02 ~ 0.05mm, and the thickness of coating or coating is usually less than 0.15mm. The thickness of the substrate is very important in affecting the use time of the color plate. The color steel plate on some substrates is usually laminated or laminated with the color steel plate to reduce the thickness of the substrate, but the thickness of the peritoneum increases to reduce the production cost of the color steel plate, which greatly reduces the service life of the color steel plate.
Observe the leakage edge of color steel plate: when getting a piece of color steel plate, observe the exposed steel, such as cross section, for fine crystallization, gray, dark color and impurities. If the cutting surface is crystal clear, the quality is better.
Listen: hit the color steel plate with your finger or with a good thing. If the color steel plate material is bad, the sound is dull and the metal sound is not obvious. The sound of good color steel plate is loud and clear.
In a word, color steel plate is a new building material with good environmental protection function, which is widely used in roof, wall, temporary housing and so on.