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How Does Sandpaper Grading Work

How Does Sandpaper Grading Work

Sandpaper Grit Numbers. The grit number of a sanding product indicates the size of the abrasive particles. The lower the number, the larger the abrasive particles — they remove more material but create more noticeable scratches.. Grit numbers from 36 to 100 are good for removing material and work well with power sanders.
For heavy sanding and stripping, you need coarse sandpaper measuring 40- to 60-grit; for smoothing surfaces and removing small imperfections, choose 80- to 120-grit sandpaper. For finishing surfaces smoothly, use a super fine sandpaper with 360- to 600-grit. Many jobs require you to “go through the grits.”
In this system, 16-grit is one of the coarsest grades of sandpaper, while 3,000-grit is one of the finest. This system is known as CAMI, as it was developed by the .
Get to know how different sandpaper grit types and grade impact the sanding. pads) and flip the switch on—the powerful vibrations do all the sanding work, .
Learn about grits and grades and which is best for your industry.. you work with, it must have a strong bond between the sandpaper grit and its backing material.. W. W. Grainger, Inc. does not guarantee the result of product operation or .
Sandpaper works by scratching away defects with thousands of tiny abrasive. . and paper, as does finishing up with a finer paper than is necessary for the job.. which closely corresponds to Standard grades up to 240 grit, but diverges as the .

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