TABLET AND PESTLES THEREFOR

摘要

A tablet which comprises solid particles, in particular, magnesium oxide particles, as a main component and has excellent shape retentivity with extremely low susceptibility to wear and chipping. The tablet has a domed shape on each of the upper and lower horizontal surfaces of a cylindrical shape, and is characterized in that the domed shape on each of the upper and lower horizontal surfaces satisfies the following requirements (a), (b), and (c) concerning a rectangular sectional shape including the center line of the cylindrical shape: (a) each corner has an angle of 25-45º, (b) each corner has a horizontal length of 0.30-1.0 mm, and (c) the cup has a depth of 0.6-1.2 mm.