Shi Potian talks about Zisha: the drawing pot of Zisha introductory knowledge

The drawing pot is a relatively common fake purple sand pot in the market. It is to put the mud on the disc with the motor under it, and use the inertia of the centrifugal force of the motor to pull out the pot blank by hand, cut it and dry it. After assembling the pot flow, handle and lid made of grouting, it is sandblasted and fired. Streaks will appear in the pot, and skilled workers can pull about 300 pots a day.
A certain amount of kaolin and chemical raw materials must be added to the mud of the drawing pot. Pure purple sand mud cannot be drawn, so the drawing pot is definitely not purple sand mud.