Talc porcelain

Japanese: 滑石磁器 - かっせきじき(英語表記)talc porcelain
Talc porcelain
This refers to ceramics made from the natural mineral talc. Its main component is enstatite MgSiO 3. It is inexpensive and has relatively good insulating properties, so it is used as a general-purpose insulator (for example, insulators). However, in recent years, the demands for insulating materials have become more sophisticated, and materials using higher purity artificial raw materials such as forsterite Mg 2 SiO 4 porcelain, magnesia MgO porcelain, and alumina Al 2 O 3 porcelain have come to be used. Special Ceramics [Yanagida Hiroaki]

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
天然鉱物である滑石を原料として得られたセラミックスをいう。主成分はエンスタタイトMgSiO3である。安価であり,しかも比較的優れた絶縁性があるので,汎用の絶縁体(たとえば碍子(がいし))として使われている。しかし近年,絶縁材料に対する要求が高度化し,より高純度の人工原料を用いたフォルステライトMg2SiO4磁器,マグネシアMgO磁器,アルミナAl2O3磁器などが使われるようになった。特殊陶磁器【柳田 博明】

出典 株式会社平凡社世界大百科事典 第2版について 情報

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