オールドブルー古代青釉(1.8L) 色:青 the chemical method of producing

the chemical method of producing the color blue using cobalt

uneven color will occur

・Firing temperature <br>Oxidation: 1230℃

or oils from your hands on the product

Q: How do I use the pigment

オールドブルー古代青釉(1.8L) 色:青 the chemical method of producing[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