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Chemical Pigments Become An Export Porcelain

Chemical paint cobalt oxide after the introduction of Chinese blue and white decoration, the Chinese craftsmen did not like Japan to receive the same, in the blue and white porcelain painting in the full use of chemical pigments as blue and white porcelain hair coloring agent.

Because the price is still much higher than the price of Zhejiang material and soil materials, followed by chemical pigments hair color is too bright, and the Chinese aesthetic concept of a gap, so the Chinese artisans use it as a toner.

Mixed with natural green material to improve the natural low-grade blue and white flowers of the bright degree, to cover up the dark tone, this kind of country blue and white porcelain color is very complex, although the formation of a variety of reasons, the fundamental reason is due to domestic green material composition is unstable, The tone is consistent.

  After the liberation of Jingdezhen blue and white porcelain mainly for export export, blue and white decoration of the color all turned to the "sea blue" color, the general preparation of blue and white pigments need several different colors of natural green material to meet the market demand, chemical paint is still a large number of toner use.

  After the mid-90s blue and white porcelain exports basically stopped, imports of green material market disappeared, antique porcelain fashion trends turned to "Kang dry" and early morning blue and white decorative style, and the use of domestic green material can not produce bright colors, only the use of chemical pigments to adjust, but As the chemical pigment in the purple elements can not reach the natural color of imported green material, so the color of antique porcelain and the real thing has a certain gap.

Generally speaking, chemical pigments mixed with natural green material in addition to the color and natural pigments are basically no difference, but the addition of chemical pigments of green material color tones also with the ancient period of the popular hue has a greater gap.

  Chemical pigments are now porcelain identification It was suggested that the green material can be from the green material and chemical pigments to see whether the identification of porcelain is imitation goods, this argument is questionable.

I think there are two reasons for this view

First, many imitation is not for the underglaze color, but glaze in the color, especially the ingenuity of the people, the pen of a class of fine, because the pen fine painting can not be painted on the billet, so many imitation goods with glaze color.

Glaze color as a result of the paint on the porcelain paint particle size requirements, and natural green material can not be unlimited grinding, grinding process grinding equipment will wear off the material will be mixed into the green material, overrun grinding will cause the green material color , So glaze color use of chemical pigments.

Do not understand the blue and white porcelain production technology of human hearsay mistakenly believe that the use of blue and white porcelain chemical pigments.

Second, traders in order to highlight their own products made of the story, misleading consumers. In the blue and white porcelain decorative paint used in the paint for the cobalt oxide, due to the origin of different firing porcelain color difference is very large.

In addition, because the carcass, glazed color, glaze thickness, firing atmosphere and other factors will be different from the ever-changing, although varied, but its color or have their own characteristics, people call this feature " , Is an important criterion for the identification of porcelain age.

In particular, ancient books have recorded a certain era, a certain kind of green material is no longer used, although this type of records are not accurate, but most of the identification of this as a standard.

  Chemical pigment is the main color composition of cobalt oxide, is the natural state exists in nature, and other minerals symbiotic, because the coexistence of cobalt oxide and other minerals can not be separated from the color produced a great impact.

Chemical pigments are generally divided into several categories of origin,

First, the import of green material mainly from the Middle East, bright colors, thick pigment coating part of the partial purple, thin coating is not obvious purple; commonly known as Su Ma Li, Su Berni

Second, is the beads expected material, produced in the direction of Yunnan, floating beam Chi recorded "from Xuanwei", color heavy, pure, regardless of the thickness of the pigment coating are pure blue color;

Third, Zhejiang is the production of green material, commonly known as "Zhejiang material", thick pigment coating for the pure blue tones, thin coating was gray-blue color, the overall look blue in the gray.

Fourth, is the local production in Jiangxi, commonly known as soil materials, color, regardless of the thickness of the coating are gray tone.

  Since ancient times, these natural green material has been in use, just because the market demand for different colors, early blue and white porcelain market focus in the Middle East region, with rich and dark color tone.

Chenghua after the domestic blue and white porcelain market has matured gradually opened up the European market, partial purple tone gradually withdraw.

Ming market focus shifted to Europe, Europeans pursued the "sea blue" color into the main colors of blue and white porcelain.

The domestic market has been mainly to Zhejiang materials and soil materials for the blue and white pigments.

The fundamental reason for the use of these pigments is the low cost of these two pigments, especially the color of the material is more in line with the requirements of Chinese culture, compared with the cost of the material is very low, Zhu Ming materials are mostly used to draw high-grade porcelain, after the Qing Dynasty Blue and white porcelain mainly two major markets, Europe and China.

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