| abstract |
To obtain a honeycomb structure having the same performance as a ceramic fiber, which has to be considered that there is a possibility of affecting the human body when the particle size, composition and form of existence are satisfied within a certain value, Furthermore, a coating material replacing the ceramic fiber is provided as a coating material for forming the outer peripheral wall of the honeycomb structure. In the honeycomb structure 2 made of ceramics, the coating material constituting the outer peripheral wall 5 of the honeycomb structure 2 includes biosoluble fibers. |