The correct sandpaper grit for sanding a car depends on the specific task at hand. Here are some general guidelines based on the search results:
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24 to 36 grit: Sandpaper in this range is appropriate for projects where the car has rough areas along the surface that need to be flattened out, such as caked-on paint or rough scratches.
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40 to 80 grit: This sandpaper grit is very coarse and will leave behind visible marks, so it is not recommended for small clear coat scratches and other similar applications. Instead, it is recommended for any rough sanding that requires a lot of material to be removed.
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150 to 220 grit: Sandpaper in this range is appropriate for sanding clear coat scratches that cant be removed by rubbing compound.
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3000 grit: This grit can be used for sanding clear coat scratches, but it is a very fine grit and should only be used after the initial sanding has been done with coarser grits.
It is important to choose the right sandpaper grit for each task to avoid damaging the paint or surface of the car. Sandpaper "grit" refers to the number of abrasive particles per square inch of sandpaper, with lower numbers indicating rougher paper and higher numbers indicating finer paper.
