Is the teapot filled with big paint firm?

Purple clay was originally buried deep under the rock layer and distributed between the mud layers of nail mud. The thickness of the seam is about tens of centimeters to one meter, and the chemical composition is iron-containing clay siltstone. The main mineral composition of purple mud is hydromica, which contains different amounts of kaolinite, quartz, mica and iron. Teapots made of purple mud are particularly beautiful and precious.

Lacquer is a kind of ivory pure natural liquid paint cut from lacquer tree. After contact with air, it gradually turns brown, the surface is dry, and it hardens in about 4 hours to form a paint film. Raw lacquer has high economic value, corrosion resistance, wear resistance, acid resistance, solvent resistance, heat resistance, water resistance and good insulation. It is a high-quality coating for military industry, industrial equipment, agricultural machinery, infrastructure, handicrafts and high-end furniture. It is also one of the important materials traditionally exported by China, which is famous for its quality and quantity.