Many daily ceramic products have their own characteristics after the furnace is released. Some of the characteristics are due to the atmosphere in the furnace during the production process. Do you know what characteristics the kiln atmosphere will cause to the ceramic products? Today Xiaobian will take you to see what effect the atmosphere in the kiln will have on the process of producing ceramic products!
During the firing process of the ceramics, the oxidizing flame in the kiln is still a reducing flame, which has certain influence on the color of the glaze and the glaze of the glaze. Some kiln use a special firing process to control the kiln atmosphere, resulting in its products. Some of the characteristics, the main features and the kiln atmosphere that causes such features are as follows:
Opening: Some old objects, the glazed surface has a small piece of grain due to uneven changes. The opening glaze of the official kiln of the Song Dynasty and the kiln of the kiln was formed in the firing, in the atmosphere of a certain kiln, the inconsistency of the expansion of the tire and the glaze, and the formula of the tire and glaze in order to seek special decorative effects. The kiln atmosphere made a fuss about the conscious, artificial.
Orange peel: Ming Xuande, Qing dynasty glaze has a relatively obvious orange peel. This is caused by uniform shrinkage of the glaze when it is cooled in the kiln. The atmosphere is mastered, and the beautiful orange peel pattern is infinitely refined. If you master the difference, it will become the wave glaze in the late Qing Dynasty.
Kiln red: Also known as flint red, it is a reddish spot or line of self-tire at the porcelain unglazed exposed tire. This is unique to the Yuan and Ming Jingdezhen porcelains, which are caused by a certain amount of iron in the fetus. In the Qing Dynasty, Jingdezhen porcelain tires were washed clean, and there was very little kiln red phenomenon.
Therefore, if you are buying some expensive ceramic products, if you find that the surface has some non-standard features as above, then you can rest assured that it is not the quality of the ceramic products themselves, and some are in the ceramic product manufacturing process. A characteristic of man-made, with craft color!
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Label: What characteristics does the kiln atmosphere have on ceramic products?
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