Bone China Manufacturers: Process Features of Bone China Tableware

Bone China Manufacturers: Process Features of Bone China Process Features of Bone China Process 1: Secondary Firing Process History of Bone China A typical representative of soft porcelain white porcelin dinnerware, the secondary firing process of high-temperature biscuit firing and low-temperature glaze firing is Its most significant process feature. The secondary firing process of bone china is different from the traditional low-temperature bisque firing and high-temperature glaze firing of traditional chinaware ceramic. It can better solve the problems of high-temperature deformation and glaze gloss. The Japanese call the unglazed green body burnt at low temperature (about 900℃) as 'bisqueThis burn'. The technical characteristics of bone china 2: forming process Bone china uses 40%-50% of bone powder without plasticity. The total amount of clay in the green body formulation is low, and the plasticity is poor compared with ordinary chinaware ceramic, and it is difficult to form. Generally, the following methods are used to increase plasticity or increase the yield: 1. Use high-plasticity clay; 2. Use organic plasticizers, such as CMC, etc.; 3. Increase particle fineness and practice mud multiple times; 4. Use hot roll forming machinery . Process characteristics of bone china three: the firing process using imitated saggers is the most representative process in the bone china firing process, because the firing range of bone china is narrow, the shrinkage is large, and it is easy to be deformed during firing. , It is necessary to use buckle firing, bracing firing or buried firing to solve the deformation problem.
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