The difference between color glaze and underglaze color
Release time:
2023-06-25
Color glaze, covered by high temperature colored glass body on the body. The underglaze color, between the glass body and the blank body has a decorative pattern, with the color intact, durable advantages, such as: blue and white porcelain, underglaze wucai porcelain and so on.
Color glaze is better, more safe, a kind of glaze decoration of underglaze pot porcelain, also known as "kiln color". Underglaze color is a main decorative means of pottery, which is to draw various patterns on the plain blank (that is, semi-finished product) that has been formed and dried with color, and then cover with white transparent glaze or other light-colored surface glaze, and burn it at a high temperature (1200-1400 ℃) in the kiln.
The method of distinguishing good from bad color glaze
For smooth surfaces, such as: glass glaze, underglaze ceramic heavy metal separation is little or almost zero, we can rest assured to use. However, for the surface of the uneven glaze color, it is recommended to choose as few surface patterns as possible.
Secondly, you can touch the glaze on the ceramic, the surface will show a concave and convex sense, and can be seen by the naked eye uneven. Of course, if you feel insecure about the product you bought, it is recommended to use vinegar to soak for a few hours, if the color change is very obvious, it is not recommended to use.
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