At Joysun, we utilize an innovative method in producing our industrial grade of Ceramic Alumina flap discs. They are constructed by using a specially designed ceramic alumina grains bonded to a flexible ply-cotton backing cloth. The ceramic alumina grains can provide a self-sharpening action during operation. Joysun Ceramic Alumina flap discs can deliver an aggressive stock removal with the exceptional extended product service life. These flap discs are compatible with high powered angle grinders operated at a steep working angle for typical grinding operations. The ceramic alumina flap discs are utilized for stock removal, edge grinding, seam weld blending, de-burring and surface finishing. They can be used on chromium steels, CrNi steels, high alloyed steel, cat iron, nickel-based alloys, titanium alloys, non-ferrous metals and even high carbide steels.