| abstract |
The present invention relates to a disk roll comprising a rotation axis and multiple ring-shaped disk materials which are fitted to the rotation axis by insertion, wherein the outer circumference surfaces of the disk materials form a conveyance surface, and wherein each of the disk materials comprises inorganic fibers, wollastonite having a median diameter (D50) of 10-80 μm and an inorganic binder having a swelling power of 15 ml/2 g or more. |