Ceramics, in fact, there is a difference between pottery and porcelain

Pottery and porcelain are both art produced by the fusion of fire and soil. Pottery was invented before and porcelain was invented later. So what is the difference between 'pottery' and 'porcelain'? I believe many people have the same question. The editor will explore the difference between the two together with everyone. Different concepts Pottery is made by using clay as a tire, processed by hand kneading, wheeling, molding, etc., and dried, then placed in a kiln and fired. is a kind of glaze or painted objects made of porcelain stone, kaolin, etc., which are mixed, shaped, and calcined. The firing temperature is different. In fact, the difference between pottery and porcelain is mainly the difference in the raw material soil and the difference in temperature. The firing temperature of pottery is 800-1000 degrees, and the porcelain is made by firing kaolin at a temperature of 1300-1400 degrees. Adding fire and heating on the basis of the temperature of pottery, pottery becomes porcelain. is an upgraded version of pottery, and pottery is also the brother of porcelain. Here is a special explanation: most of the popular so-called pottery products are fired at high temperature, strictly speaking, they are porcelain products. Pottery with different degrees of hardness is low in firing temperature, the embryo body is not completely sintered, the texture of the embryo is rough, the sound is buzzing when struck, the water absorption rate of the section is high, the hardness of the matrix is u200bu200bpoor, and some can even use a knife to make a groove. The sintering temperature of porcelain is high, the carcass is basically sintered, the carcass is firm and dense, the cross section basically does not absorb water, and the sound is crisp when struck, and it is difficult to make groove marks on the carcass surface with a general knife. The hardness of the two is different, and the hardness of porcelain is higher than that of pottery. Pottery with different raw materials can be made into blanks using ordinary clay. For porcelain, it is necessary to select specific materials and use kaolin to make blanks. Clay can become pottery at the temperature stage required for pottery. For example, ancient white pottery was fired in this way. Kaolin at the temperature required to make porcelain (that is, 1300-1400 degrees), the green body made becomes porcelain. However, a body made of clay, which is generally used to make pottery, cannot be made into porcelain when the firing temperature reaches 1200°C, and will be sintered and melted into vitreous. The iron content of ceramic tires is generally above 3%, and the iron content of porcelain white porcelin dinnerware tires is generally below 3%. The green body of pottery with different transparency does not have the characteristics of translucency even if it is relatively thin. The carcass of porcelain is translucent regardless of its thickness. The glaze is different. Pottery has two types: unglazed and glazed. The glazed pottery glaze can be melted at a lower firing temperature. There are two types of porcelain glazes. They can be fired with the matrix at high temperature at one time, or can be fired at low temperature by hanging low-temperature glaze on the high-temperature plain firing tire. The different glaze applied is the bright coat that covers the surface of the porcelain. It is mainly made of clay, quartz and feldspar as raw materials. After being ground and prepared, it is placed on the surface of the embryo, and it is melted after high-temperature roasting, and a vitreous crystal is formed after cooling. It can increase the strength of the carcass and isolate gas and liquid. Pottery is usually not glazed or only low-temperature glaze is applied; a layer of high-temperature glaze is applied to the surface of the porcelain, the glaze is firmly bonded, and the thickness is uniform, so as to achieve the purpose of smoothing the porcelain. Although porcelain and pottery are two different substances, there is a close connection between the two. If there is no experience gained from the invention of pottery and the continuous improvement of pottery making technology, porcelain cannot be invented. The invention of porcelain is the result of our ancestors constantly understanding the properties of raw materials, summing up firing techniques, and accumulating rich experience in the long-term pottery-making process, which resulted in changes from quantity to quality. After the advent of porcelain white porcelin dinnerware, pottery continued to be produced. Pottery and porcelain developed independently, and gradually changed from daily necessities to collections of art. Recommended reading What are the grades and types of ceramic wine? How to choose the type of ceramic tea set The difference between a mug and a ceramic cup

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