Methods To Prevent Grinding Scratches
During the grinding process of the concrete floor, there are often various reasons for scratches appear. Some of these scratched can be completely removed when polishing while some of them are difficult to remove which cause the floor does not look smooth. In many cases scratches can be avoided and we can refer to the following methods. 1. Slow down the grinding speed Too fast grinding speed will lead to missing grinding, which will cause the scratches produced by the previous rough grinding process in the area are not worn away. When the next grinding process uses a diamond grinding disc with finer grit, the scratches cannot be completely removed. Therefore, the effect will be better with slow and uniform grinding speed and a lot of rework can be avoided at the same time. 2. Increase the concrete cushion When the concrete floor is ground, it is inevitable that there will be a lot of gravel and debris generated by the grinding disc. The reason may be that the base layer o...