How Is Sandpaper Made?
Introduction Sandpaper is one of the most indispensable tools in your workshop. Sandpaper is simply a piece of thick paper or material with an abrasive attached to its surface, but it has a variety of uses. The most common use for sandpaper is to smooth and shape a surface. You can also use sandpaper to roughen a smooth surface, prepare it to accept glue or paint, or remove a layer of paint or stain. History Sandpaper dates back to the thirteenth century in China and was made by attaching crushed glass, sand, seeds and shells to parchment. Throughout the years, the process and materials used have changed significantly. Modern sandpaper is not made of sand at all and is mass-produced in a factory. Backing The sandpaper begins as a long sheet of backing material wound on a roll. The backing runs through a machine that uses large rollers to print product information on one side and apply a heat setting adhesive to the other side. The backing is made of a wide variety of materials and thic
