What is coloured glaze?

Glazed glass, one of the four famous porcelain in Jingdezhen, is called "glazed glass" because some oxidized metals are added to the glaze, and after firing, it will show some inherent colors.

Traditional colored glaze includes: green glaze with iron as colorant; Red glaze with copper as colorant; Blue glaze with cobalt as colorant. In history, there are outstanding masterpieces of glass in many periods, such as blue glaze and Jun red in Song Dynasty, Ji red in Ming Dynasty, Wujin glaze and tea glaze in Qing Dynasty.

The difference between colored glaze and ordinary colored glaze lies in the special firing process and formula of colored glaze. The glaze of colored glaze must be calcined at a high temperature above 1.250 degrees Celsius to show its unique charm, such as light flow like oil, color flow like rainbow, and particle flow like waterfall.

Related producing areas of glass

Jingdezhen, China, is a famous historical town of ceramics, which was once known as the "porcelain capital". In thousands of years of historical records, Jingdezhen porcelain was selected as the top grade of the palace, and many exquisite porcelain condensed the wisdom and sweat of Jingdezhen people.

There are many kinds of porcelain in Jingdezhen, each with its own characteristics, among which blue-and-white porcelain, exquisite porcelain, pastel porcelain and glazed porcelain are the four major characteristics. As one of the four famous porcelains in Jingdezhen, coloured glaze has a long history. He had high attainments in the Ming and Qing Dynasties, and created such precious colored glazes as Jun Hong, Lang Yaohong and Red Sacrifice.