The production of PVC hollow roof sheet is undoubtedly bringing good news to the roofing industry today. Save much time for installation construction process. We all know that the original roof panels are high quality and the production time is long, and the PVC hollow roof sheet with light weight, but also has a short production time. More importantly, the more comprehensive performance of the anti-corrosion tile product is very prominent, and it is more prominent than any other roofing sheet. Let's take a look at how to judge the quality of anti-corrosion hollow roof sheet products through the color of the anti-corrosion board. First of all, we have to say that the PVC hollow roof sheet with good quality , the quality of PVC hollow roof sheet is colorful.We look at the appearance of the basic color is consistent, color is deep and shallow, the overall consistent of the surface color rather than deep and shallow. The second is that we do not ask what color of PVC hollow roof sheet , there is no bubble on the surface, the good quality of hollow wave roof sheet surface should be smooth. We can also test fire resistance of PVC hollow roof sheet. Also, if there is bubble when cut PVC hollow roof sheet , that means whether the inside is squeezed tightly, only the extrusion strict, the quality can be guaranteed, and the color inside and outside of the cutting place should be consistent, otherwise the performance of all aspects cannot be guaranteed . The above is about the quality of PVC hollow roof sheet through color to judge the quality of the product, I believe that through continuous development, the applications of PVC hollow roof sheet will be more popular, we will continue to develop new and better products. To meet the constant needs of our customers.