| 摘要 |
<p>[Problems] A tablet which comprises solid particles, especially magnesium oxide particles as the main component and has excellent shape retentivity with extremely low susceptibility to wearing and chipping. [Means for Solution] The tablet has a domed shape on each of the upper and lower horizontal surfaces of a cylindrical plate shape, wherein the domed shape on each of the upper and lower horizontal surfaces satisfies the following requirements (a), (b) and (c) in the cross-sectional shape including the center line of the cylindrical plate shape:
(a) each corner has an angle of 25 to 45° ,
(b) each corner has a horizontal length of 0.30 to 1.0 mm, and
(c) the cup has a depth of 0.6 to 1.2 mm.</p> |
