porcelain
Porcelain is a porcelain, kaolin and other components, the appearance of a glaze or painted with the instrument. The formation of porcelain through the kiln through high temperature (about 1280 ℃ -1400 ℃) firing, the first appeared in the late Shang Dynasty, porcelain surface glaze will be due to the temperature of the different chemical changes occur. Sintered porcelain tires generally contain only 3% less than iron elements and are impermeable to water because of their relatively low cost and wear-resistant impermeable characteristics widely used by people all over the world. High purity pure porcelain, in the collision with each other, will issue a similar metal collision crisp sound. Advanced porcelain has much higher than the average porcelain production process is difficult, so in the ancient royal family is also no shortage of fine porcelain collection. As one of the luxuries of Chinese specialty, thousands of years of porcelain through various trade channels, spread to various countries. Exquisite ancient porcelain, will be regarded as a collection of antiques, and by a large number of collectors collection. ...