This product is a 350ml medium temperature electric kiln monochrome antique blue glaze special art glaze for teaching. The optimal firing temperature is 1250 degrees, and the temperature range is 1180-1280 degrees. It is suitable for firing in an oxidizing atmosphere in a medium-temperature electric kiln. The glaze is fluid and has no problem in the plane. Please note that the facade works should not be too thick near the bottom. This product is selected from mineral raw materials and does not contain heavy metals lead and chromium. Shake evenly before use.