The Fangyuan brand store is reliable for buying purple clay teapots online.
The "Fangyuan" brand is the only well-known trademark in Yixing purple sand industry. We also recommend checking out Puzhitiancheng, a brand owned by Fangyuan. Their purple clay health-preserving kettle is made of Yixing purple clay, and the boiled water is very beneficial to health.
Introduction to the purple clay teapot
The Yixing purple clay teapot is the most famous. When making tea, the Yixing purple clay teapot does not take away the true aroma of the tea, nor does it have the smell of cooked soup. It can maintain the flavor of the tea for a longer period of time. Color, aroma and taste. Purple sand tea sets are also favored by people because of their simple and unique shape and excellent temperament. After being soaked in tea and rubbed with hands, they will turn into an ancient jade color and are highly favored by people.
Purple clay is indeed a unique raw material in Yixing. It has the necessary chemical and mineral composition for pottery making. From microscopic observation, it is found that the main minerals of purple mud are quartz, clay, mica and hematite.
The reasonable chemical, mineral and particle composition gives purple clay excellent process properties such as good plasticity, high green strength and small drying shrinkage. The fineness of crushing purple mud is appropriate to pass through a 60-mesh sieve.
It takes a lot of work to make the clay when it is too coarse; it sticks to your hands when it is made too fine, and it will cause wrinkles on the surface of the body, and it will also cause dryness and increase the shrinkage during firing. Use precision during the molding process. In this key process, the entire body of the vessel is polished to form a dense skin layer.
Due to the existence of the skin layer, the temperature range for product firing is expanded. Regardless of the upper or lower limit of the normal firing temperature, the skin layer is easy to sinter, while pores can still form on the inner wall of the pot body.
Therefore, the finishing process during molding has the function of organically linking clay, molding and firing, giving the purple sand a smooth surface, which is glossy even though it is not covered with glaze. It has the characteristics of certain porosity without leakage.