The lower the “grit” number results in a coarser abrasive that will remove material much faster. If the grit number is preceded by the letter "P", indicates FEPA grit.
Wet sanding can be used on new paint to provide an even finish, where the paint appears to have the texture of an orange skin. On existing paint, it can be used to remove scuffs or shallow scratches or restore the luster of the paint. Wet sanding can cause damage to the paint of the vehicle if not done correctly.
Wet sand with 2000 grit sandpaper. Once you have completely wet sanded the area with your 1200 or 1500 grit sandpaper, repeat the process with 2000 grit paper. This will remove any shallow scratches or abrasions left by the first stage of wet sanding.
180 to 220 Grit Sandpaper: Finer grit sandpaper is great for removing the scratches left by coarser grits on unfinished wood and for lightly sanding between coats of paint. 320 to 400 Grit Sandpaper: Very fine grit sandpaper is used for light sanding between coats of finish and to sand metal and other hard surfaces.
2000 grit are used to sand the clear coat. Both grits (1500 and 2000) are great for removing light clear coat scratches that can't be removed by rubbing compound and buffing. Use 2000 grit sandpaper for final sanding to achieve smooth surface
Some of the most helpful tools for sanding metal surfaces include the random orbital sanding discs, the flap wheel sander and the classic sanding blocks. Orbital sanding discs are more appropriate for hard work, as they produce quick, outstanding finishes.
The perfect smoothness of a newly painted wall, the silky flawlessness of an oak floor, the dazzling gleam of a well varnished table top! All these are the signs of a job done well. And all are made possible by the proven, meticulous and systematic application of sandpaper.
