yixing clay

Yixing clay normal firing temperature and shrinkage ratio

Yixing Clay Type firing temperature Shrinkage Ratio
Zi ni clay Approx.1180℃ 10%-11%
Hong ni clay Approx.1100℃ Approx.14%
Zhu ni clay 1165℃-1700℃ 18%-25%
Duan ni clay 1175-1180℃ Approx.12%
Lu ni clay Approx.1160℃ Approx.14%
Hei ni clay Approx.1140℃ Approx.14%
Jiang po ni clay Approx.1180℃ Approx.12%
Mo lu ni clay Approx.1120℃ Approx.14%
Qing shui ni clay 1160-1180℃ Approx.11%
Hei xing clay 1180-1200℃ Approx.11-12%
Qing hui ni clay 1160-1180℃ Approx.13%
Gu tong ni clay 1200-1250℃ Approx.12%-13%
Di cao qing clay Approx.1180℃ Approx.12%
Sesame duan ni Approx.1150℃ Approx.13%
Da hong pao clay Approx.1080℃ Approx.30%

Yi xing clay (zisha clay, purple sand) production process

 
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