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Chinese_Porcelain

2013-11-13 来源: 类别: 更多范文

Chinese Porcelain Porcelain is a type of ceramics highly valued for its beauty and strength. It is often called china, or chinaware, because it was first made in China. Porcelain is characterized by whiteness, a delicate appearance, and translucence (ability to let light through). Because it is the hardest ceramic product, porcelain is used for electrical insulators and laboratory equipment. However, porcelain is known primarily as a material for high-quality vases and tableware, as well as for figurines and other decorative objects. The type of porcelain that is used for such purposes produces a bell-like ring when struck. Porcelain differs from other types of ceramics in its ingredients and in the process by which it is produced. Two common types of ceramics--earthenware and stoneware--are made from a single natural clay, which is then fired (baked). In many cases, the object is coated with a glassy substance called glaze. Firing at a low temperature produces earthenware, a porous material. Earthenware can be made waterproof by glazing. Firing at a high temperature produces stoneware, a hard, heavy material. Stoneware is nonporous without glazing. Unlike earthenware and stoneware, porcelain is basically made from a mixture of two ingredients--kaolin and petuntse. Kaolin is a pure white porcelain, chinese, made, soft-paste, kaolin, hard-paste, glaze, called, temperatures, during, petuntse, color, china, white, painting, material, first, developed, type, surface, stoneware, produced, mixture, high, fired, europe, dynasty, designs, colors, clay, body, blue, because, types, true
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