What is the difference between purple sand and purple pottery?

1, the material is different

Yixing is stone sand, shrinkage rate of less than ten percent and viscosity is not good; purple pottery for clay raw materials, shrinkage rate of twenty percent and viscosity is good.

2, the production process is different

Yixing purple sand pots are mostly machine-pressed; purple ceramic pots are mostly hand-pulled billet.

3, different decorative techniques

Yixing Zisha pots are mostly engraved in the sun; purple ceramics is the Yin carved color filling.

4, polishing process is different

Yixing Zisha pots do not need to be polished; purple pottery is unglazed grinding, polishing.

Purple pottery because of the material and process factors, in the shape of the grasp, the cover of the precision is not worse than the Yixing Zisha pot. Of course there are human factors. Purple pottery's own advantage in the decoration and color. In the decoration of purple pottery can express the charm of Chinese painting and calligraphy, Yixing Zisha pottery is not as good as also. Purple ceramics into the color of the ancient clumsy varied, each piece is not the same. Yixing purple sand pottery is a thousand pottery side, and chemical pots are mostly.