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Why does the glaze make the surface of the ceramic mug smooth? |
| Ceramic Mug From:Xinxiang Ceramic Mug Manufacturers 2023-1-10 |
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Xin xiang Ceramic Mug Manufacturer, We usually wear glossy and smooth clothes for our daily use, especially for ceramic mugs. We pay more attention to "clothes", some are as white as jade, some are colorful and beautiful. This kind of ceramic clothes is called "glaze"
The meaning of glaze in Chinese characters is that it has oily luster, so the word "oil" is used to represent the luster of the surface of personalised porcelain mugs. However, because the word "oil" represents food, it is modified to take the word "Cai", which represents the luster, plus the word "You" of the oil, to synthesize the word "glaze".
Glaze is a continuous vitreous layer attached to the surface of stoneware mugs, or a mixed layer of glass body and crystal. The glaze may be produced by calcium-containing stone and charcoal ash used in ancient stone cooking, or it may be inspired by the beautiful texture of the shell surface and consciously made of shell powder as raw material. In fact, as early as the Shang Dynasty more than 3000 years ago, our ancestors had learned to use rocks and mud to make glaze to decorate ceramics. In the Han Dynasty, the paper-temperature lead glaze with lead as the cosolvent was invented. Later, ceramic artists took advantage of the phenomenon that kiln dust naturally fell on the body to form glaze, and then used plant ash as a raw material for glaze making. The glazes used in the production of modern daily ceramics are divided into lime glazes and ancient glazes. Lime glaze is prepared with glaze fruit (a natural mineral raw material similar to porcelain stone) and gray glaze (mainly composed of calcium oxide). Feldspar glaze is mainly composed of quartz, feldspar, marble, kaolin, etc. Adding metal oxides to lime glaze and ancient glaze, or infiltrating other chemical components, will become various glaze colors.
Generally, the thickness of the glaze is only 1% - 3% of the body thickness, but after being baked in the kiln, it is tightly attached to the custom porcelain coffee mugs, making the porcelain compact, soft, impermeable to water and gas, and giving the impression of bright as a mirror. At the same time, it can improve the use intensity, prevent pollution and facilitate cleaning.
There are many kinds of glazes. According to the body type, there are porcelain glazes, ceramic glazes and flint glazes; According to the firing temperature, the glaze fired below 1100 ℃ is called low temperature glaze, the glaze fired between 1100 ℃ and 1250 ℃ is medium temperature glaze, and the glaze fired above 1250 ℃ is high temperature glaze; According to the characteristics of glaze, white glaze is probably due to people's love for silver. Color glaze is popular with people because of its colorful color. The patterns of crystal glaze are changeable and beautiful. The variety of kiln glaze is dazzling and beautiful. The crack glaze is clear, simple, elegant and unique. In addition to the above, there are matt glaze, opaque glaze, salt glaze, etc.
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