misstong557
Yixing clay
06:07, Wednesday 31 December 1969
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Yixing purple clay are not necessarily. A milky white called "Mission mud"; a dark green, known as the "green mud"; course, there are purple known as "purple",天龙八部私服下载; there is a performance of almost Zhu red "Zhu Ni," air permeability more than a few, but the molding process because of its special and has its own special value, some time ago Taiwan's popular "Da Hong Pao\purple clay pottery biggest feature is that she made after the good permeability of the container and non-leakage characteristics of a combination of wonderful, thanks to the unique properties of Yixing clay materials. Purple is the pottery, but she and other pottery vessels made of different is that she does not require post-coated glaze, which is a prerequisite to ensure good permeability. We know that purple mud is not a mined material can be used, but must be refined, panning,中国到底损失了多少亿？（附投资）, sifting, and many other tasks,最新魔域私服发布网, so its a good mud texture, color must be very uniform, embodied in the finished product on the is the particle symmetry, color, pure no impurities, such as a non-uniform black spots, white spots is not a good mud. Refined, panning is to ensure that the premise of pure color,天龙八部变态私服, refining the former first been crushed, refined some of panning to remove iron, limestone, basalt, and so impurities. In the firing iron became iron oxide black, four, who appeared in the kettle black spots; limestone became the burning of lime, white spots appear in the pot body, and the water swelling, resulting in a small piece of pot body peeling, commonly known as "Explosive child" seriously affect the quality of the pot, hateful is the time to buy some of this phenomenon is not easy to detect, to return home to open a tea slowly swelling,天龙八部私服发布网, and often very upset MO; and basalt and other impurities due to its shrinkage , different colors appear in the finished product miscellaneous points,一个男网友娶到一个女网友后在洞房发生的事情, irregular particles. There is little to show, sometimes in order to achieve certain effects producer will artificially adding some born with the same or different color mud mud or raw and cooked pottery fragments, granules or powder, in order to achieve different artistic effects. Clay and another of a different color uniform blending raw clay will have a different color, if unevenly, and it will produce a water Fei twisted like magic effect, distinction between the two or more colors, must dragging its feet but is not seamless, it is imagination, which is by the contemporary master of Mr. Lv Yaochen's first "twist mud." As the different colors of soil material shrinkage rate is not as close integration between the two colors to make a smooth but as one, the color can not be mixed, and sometimes to go through several tests in order to be successful, it is difficult to produce. If the production would use cooked clay pottery with the Health and blending evenly, into the blank after the other Green Meisha different, upon firing,新开天龙八部私服, as cooked and raw clay pottery shrinkage different (Clay pottery shrinkage of about 20% about Zhuni even as high as 30% or more, cooked pots are basically non-shrink or shrink very little), so that the surface evenly granular product, it seems there is orange peel, Pomegranate husk, Lipi kind of special "rough" effect, which the "particle skin" should be with the "impurity" separate. This approach was particularly in the Zhuni products using more than the rate of contraction since the Zhuni particularly large, they often deformed after firing, add cooked Tao can reduce the shrinkage to improve yield. I believe that friends should understand that the above-mentioned here, "Lipi cinnabar\
In general, a real purple clay pots should be the color of pure, particle defects even without impurities, and even a "twisted mud" and "particle skin," the pot, which each kinds of color should be very pure. Full of the kind of color impurities in dirty Xixi burr is definitely not a good mud. Not good for their level of mud is also necessarily be bad. Specifically, purple pottery process value (or price, in Marx's theory, the price and value are two totally different concepts) is completely determined by the level of its technology. Popular point is that working 啦.
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