Bone China is the abbreviation of bone China scientific name, is the ashes porcelain animals GuTan, clay, feldspar and quartz basic raw material, through high temperature element to burn and low temperature glaze and two fire and into a porcelain of bone China two basic characteristics of bone China is difference between China and the other the essence of basis. A: GuTan content features more than 36% (the national standard); Features two: after secondary firing and become (element to burn, glaze burn).
(1) forming in 1250 ℃ after the results of the high temperature burning, associating burn process due to shrinkage of very large bone China, so after kiln finished product will shrink by 20% (7%), general porcelain contraction shape yi deformation, therefore, bowl, etc must be put in tailor-made to long time above bowl rectification and culture. (2) subsequently to shape and size of the check, curved surface grinding in spray glaze medicine, 1150 ℃ to kiln of glaze burn.
Color:
General coloring method, be in the white paper, out on product quality of a material with 820 ℃ fire and into
