This decision is made by determining how the abrasive will be used by the individual. Abrasives are sold in forms such as sheets, large/small discs, belts, and large/small rolls. Selecting the right form is determined by whether the abrasive will be used for hand. sanding, applied to a large disc sander, attached to a small hand grinder, or installed on a large belt sanding machine. Sanding of concave shapes probably requires round or cylindrical shaped abrasives. Flat or convex shapes probably require flat abrasives.
What does the bulk weight indicate and what impacts the bulk weight?
According to the FEPA, the bulk density of an abrasive is the quotient of the mass and the volume a grain type poured out in a particular manner will occupy. The bulk density, also called bulk weight, is