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or if your painting process requires touching the surface repeatedly
it turns into cinnabar (red color)
- Uneven color
・Clay components
※弊社の赤系を含む全ての釉薬は鉛を使用しておりませんので、安心して食器用の焼き物にお使いいただけます
黒ワラ灰釉(1.8L) 色:Achromatic (white, black, gray) or if your painting process[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. 16%) Firing temperature : Oxidation: 1230 Reduction: 1280 Glazing : Baume concentration 50 (soak for
