A magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatus

摘要

A magnet compound material (3) to be compression molded, said magnet compound material comprising a magnetic powder (1) and a binder resin particles (2), wherein a ratio of Dv to Dn is in a range of 1.1 to 1.3, Dv and Dn of the binder resin particles (2) denote the volume average particle diameter and the number average particle diameter, respectively.