Sandpaper tape is not just an abrasive coating attached to the back of paper or cloth. For serious sanding projects, this method is cheaper and less effective.emery cloth roll ， Sandpaper comes in many forms, from reels and flakes to discs and belts; each type of sandpaper is available in a variety of sizes of gravel.
Many metals are easily scratched, even with a fine sandpaper tape, a common result of beginner sanders. Therefore, in order to maintain the integrity of the metal as much as possible, it is very important to use the right amount of grit. If you're working on a metal sanding project, make sure to use the right amount of grit for good results.
The general purpose of polishing metal is to remove rust, clean edges, or polish surfaces. Alumina belts are the best material for metal sanding applications; unless you are polishing soft metals like brass or aluminum, in which case you should use carbide silicone belts (also known as wet/dry belts). However, using the wrong number of items on metal can lead to irreversible scratches that are hard to hide.
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