The application of the hot sale prepainted color galvanized coil in society has become more and more extensive, and it has occupied an important position in the new buildings that are concerned and accepted by everyone. The question that comes with it is how to find one among the many color steel coils. Excellent color steel coil. Let’s take a look at a few of the techniques for judging color galvanized steel coils.
1. First of all, it is necessary to check the quality of the PPGI steel coil to verify that there is no relevant part of the inspection standard. Before investing, please investigate the company’s reputation and reputation in the market. It is best to go to the manufacturer of the color steel coil to conduct on-the-spot investigations to see if the company’s environmental equipment is formal.
2, just through the price can also know the quality of low cost PPGI prepainted galvanized steel coil products, anything is a penny. When comparing the quality of color steel coils, the price is only one of them, and there is no need to pay too much attention to the price. However, the price of a color steel coil is not much lower than that of other ones. The friend who wants to buy will have to consider it.
3. Observe whether the exposed steel of the color steel coil, such as the section, is crystallized and fine, and there are no ash, darkness, and impurities. If the cut surface is crystalline and fine, the quality is relatively good. Observing the thickness of the base roll and the thickness of the peritoneum, the hot sale prepainted galvanized steel coil is mainly solid enough to have a base roll and a colored peritoneal or plated layer. The better color steel coil base roll is 0.02~0.05mm, and the film or coating thickness is often only 0.15mm. the following. Some manufacturers of color steel coils often use hands and feet on the base roll and color steel coil coating or film to reduce the thickness of the base roll and increase the thickness of the peritoneum to reduce the production cost of the color steel coil, which is greatly reduced. The service life of color steel coils.
4. Use a finger or a hard object to strike the color galvanized coil. The material quality of the color steel coil is relatively loud and crisp. If the material of the color steel coil is poor, the sound will be boring.