186グレー釉(1.8L) draft store it in a cool

store it in a cool

釉薬のボーメ濃度を合わせる際に水を使っています。釉薬を静置しておくと釉薬と水が分離(これを上水と言います)いたします。長期間釉薬を置いておくとこの上水が腐り、施釉時に釉薬のひび割れの原因になります。

Firing temperature : Reduction: 1280℃

・釉薬腐れ

186グレー釉(1.8L) draft store it in a cool[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%) Firing temperature : Reduction: 1280 Glazing : Baume concentration 50 (soak for about 3 seconds) [How to use] Soil type: porcelain, pottery Possible firing method: oxidation and reduction possible Appropriate firing temperature: 1230 1300 Baume