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the chemical method of producing the color blue using cobalt
Thermal expansion coefficient (theoretical value): 5
Firing temperature : Oxidation: 1230℃
our proprietary firing technique (Calcination)
・釉薬腐れ
2800ジルコン灰マット(1.8L) 色:Achromatic (white, black, gray) the chemical method of producing[Firing conditions for sample plates] Clay components <br>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 to use] Soil type: porcelain, pottery Possible firing method: oxidation and reduction possible Appropriate firing temperature: 1230 1300 Baume
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