![]() Here’s a quick reference that will help you find the right sandpaper grit for the job at hand. FEPA sizes are not identical to CAMI sizes, but you can find a very similar option by selecting one of the two closest FEPA numbers. Grit sized with the FEPA scale is indicated by the letter “P” preceding the grit number. Most sandpaper follows the CAMI scale, but if you order sandpaper online, you may run across sandpaper grit sized by the Federation of European Producers of Abrasives (FEPA). The higher the number, the finer the sandpaper grit. In the United States, grit is determined based on a gradation scale established by the Coated Abrasive Manufacturers Institute (CAMI). RELATED: 9 Clever Alternative Uses for Sandpaper The particles (also known as grains or grit) are sifted through screens and sorted by size before being bonded with adhesive to a paper, sponge, or cloth-type backing to create an abrasive material. Sandpaper consists of fine particles from either natural or synthetic sources. It’s helpful to learn about different sandpaper grits, so you can find the right options for your next project. Usually more than one-and often three-types are needed for most projects. Coarser grits are used for heavy sanding on rough and uneven surfaces, while fine grit sandpaper is used to polish and finish the surface of materials. Therefore, a sheet of 220-grit sandpaper is more coarse than a sheet of 400-grit sandpaper. Generally, the lower the grit number, the more coarse the grit. ![]() Seeing sandpaper on a project checklist may seem like an easy enough item to check off-that is, until you hit the hardware store and face stacks of sandpaper sheets and booklets, each distinctly identified with different numbers that indicate sandpaper grits.Įach sandpaper grit performs a different job.
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