伊羅保グリン(1.8L) gosu-underglazes Featured on the BBC and

Featured on the BBC and Japanese National Television

Reduction firing of porcelain is not possible

Clay Body: Amakusa Pottery Stone (Porcelain)

and the power of chemistry

the chemical method of producing the color blue using cobalt

伊羅保グリン(1.8L) gosu-underglazes Featured on the BBC and[Firing conditions for sample plates] Clay components For porcelain: Amakusa Senchu (SiO2 72. 04% Al2O3 18. 16% Fe2O3 0. 65% TiO2 0. 04% CaO 0. 49% MgO 0. 09% Na2O 0. 58% K2O 3. 00% Ig. Loss 4. 55%) For pottery: Umezaki red clay (SiO2 72. 11%, Al2O3 15. 98%, Fe2O3 2. 12%, TiO2 0. 67%, CaO 0. 12%, MgO 0. 36%, Na2O 0. 58%, K2O 2. 47%, Ig. Loss 5. 16%) Firing temperature : Reduction: 1280 Glazing : Baume concentration 50 (soak for about 3 seconds) [How