赤紫伊羅保 (1.8L) glazes Glazing : Baume concentration 50°

Glazing : Baume concentration 50° (soak for about 3 seconds)

pottery Possible firing method: oxidation and reduction possible Appropriate firing temperature: 1230-1300℃

還元：1280℃

この話を聞いた深海家は研究に研究を重ねコバルトを主原料とする科学的な呉須の製造方法を開発します。

釉薬を厚く施釉してしまうと貫入(釉薬のひび割れ)が入ることがあります。

赤紫伊羅保 (1.8L) glazes Glazing : Baume concentration 50°[Firing conditions for sample plates] Clay components <br>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. Firing temperature : Reduction: 1280 Oxidation: 1230 Glazing : Baume concentration 50 (soak for about 3