Potters Clay Powder and Plastic
The first firing, (bisque or biscuit) should be quite slow to avoid moisture trapped in the clay from turning to steam which will shatter the ware The best approach is to fire 50degC-100degC per hour up to 600degC then 150deg per hour up to 1000degC For glazing 150degC per hour 500 degC then 250degC up to maturing temperature of glaze. PMSO ...
اقرأ المزيد