Color steel plate is a new material composed of two-layer formed metal panel and polymer insulation inner core foamed and matured directly in the middle of the panel. Because of its light weight, heat insulation, high strength, bright color, flexible installation and short construction cycle, it is favored by the construction industry and is widely used in long-span plants, warehouses, office buildings, roof adding floors, shops and temporary buildings.

1.听声音辨别质量，用手指或用硬物敲击彩钢板，彩钢板的材质如果较差，则发出来的声音是闷的，金属声音不明显，材质较好的彩钢板金属声音是比较响亮、清脆的。

1. Listen to the sound and identify the quality. Knock the color steel plate with your fingers or hard objects. If the material of the color steel plate is poor, the sound is dull and the metal sound is not obvious. The metal sound of the color steel plate with better material is loud and crisp.

2.查看彩钢板的质量合格证明，是否有相关部门的检验标准。如果有可能的话尽量去彩钢板的生产厂家实地考察。看看企业的环境怎么样，是否正规。市场上打听一下这个企业的口碑怎么样。

2. Check the quality certificate of color steel plate and whether there are inspection standards of relevant departments. If possible, try to go to the manufacturer of color steel plate for field investigation. Look at the environment of the enterprise and whether it is formal. Ask about the reputation of this enterprise in the market.

3.观察彩钢板的外漏边缘，拿到一块彩钢板，我先观察彩钢板外露钢材如断面等是否结晶细密，是否发灰、发暗和杂质。若切面是结晶细密型的则是质量比较优越的。

3. Observe the leakage edge of the color steel plate and get a color steel plate. I first observe whether the exposed steel of the color steel plate, such as section, is fine and dense, gray, dark and impurities. If the section is fine crystalline, the quality is superior.

4.观察基板厚度和覆膜的厚度，彩钢板是有基板和彩色的腹膜或者镀层构成的。我们得考虑基板和腹膜镀层的厚度，比较好的彩钢板基板是0.02~0.05mm，覆膜或者涂层厚度往往只有0.15mm以下。因为从影响彩钢板的使用时间来看，基板的厚度是很重要的。而有些生产彩钢板的厂家往往在基板及彩钢板涂层或覆膜上做手脚，他们降低基板的厚度，但是增加腹膜的厚度来降低彩钢板的生产成本彩钢板，彩钢板厂家分享彩钢板质量这就大大降低了彩钢板的使用寿命了。

4. Observe the substrate thickness and coating thickness. The color steel plate is composed of substrate and color peritoneum or coating. We must first consider the thickness of substrate and peritoneal coating. A better color steel plate substrate is 0.02 ~ 0.05mm, and the thickness of coating or coating is often less than 0.15mm. Because the thickness of the substrate is very important in terms of affecting the service time of the color steel plate. However, some manufacturers of color steel plate often do tricks on the substrate and color steel plate coating or coating. They reduce the thickness of the substrate, but increase the thickness of the peritoneum to reduce the production cost of color steel plate. Color steel plate manufacturers share the quality of color steel plate, which greatly reduces the service life of color steel plate.

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