Emery self-adhesive used to work with angle grinders. Used in body putty, paint, clay, plastic, wood or non-ferrous metals. Circles with grain size from 100 to 600 are used for fine finishing and surface treatment when necessary removing small layer per pass. Their productivity is 3 times more compared with circles on the paper-based class C. Materials used: base: Paper grade E, the density of 220 g / sq.m .; grinding grain: alumina; Connector: a phenolic resin; Clutch material: velvet; nasypka.Sfera semi-outdoor applications: wood, paint, metal. Features Improved performance, a wide range of applications, self-adhesive, for final fine finishing.