Sandpaper sanding and polishing techniques
The sandpaper polishing process is divided into water, oil, wax, dry film and toothpaste polishing, etc. The dry film method is also divided into coarse grinding, flat grinding and fine grinding, coarse grinding is to use the appropriate tools to clean all the dirt on the top, and then slowly polish, while flat grinding is wrapped in sand above a small wooden block and hard rubber like gauze, slowly polishing a large area This is very beneficial for levelling after sanding.
1,If a fine film is used, it is generally used in the construction of scraping putty and sealing paint, including the use of a fine film after the colour can also be used to deal with the method.
2, if the water is used, then you need to dip some water or soapy water on top of the sandpaper, and then slowly on the surface for sanding, the advantage of water grinding is to reduce the abrasion marks, improve the surface of a smoothness, and it is very save sandpaper.
3, in sandpaper sanding can be used in different places, using different ways to sand, general local putty sanding is to use wood sandpaper for sanding, full scraping putty, primer layer need to use 0 sandpaper for sanding, part of the paint film directly with sandpaper dry grinding can be
4. When sanding, make sure to check whether the surface is flat. If the surface is not flat, then we can use sandpaper wrapped in a small wooden block for sanding in the process.