For polishing and smoothing soft, nonferrous metals such as aluminum, brass and bronze, for polishing hard metals, natural stones, lapping of optical components and metals, used to finish block patterns or to achieve watertight unions between two metal surfaces; super finishes in dies for molding and extrusion.
For wet and dry work on glass, ceramic and marble.
For work in softwoods, such as plywood, which you can dye or apply a protective polyurethane cover to give it the look of real wood that previously must have been sanded; MDF (Medium Density Boards), in addition to the piece being completely clean, the sanding process allows the subsequent primer to be better attached, and in previously sanded fiberglass under the base or paint to achieve anchoring and adherence, and sanding
between each coat to get the best finishes