Research note
Heat retention while brewing tea: practical lessons
A small TeaDB experiment suggests that preheating and matching the vessel to the water volume can matter more than assuming one material always retains heat best.
White Porcelain Gaiwan
Bái Cí Gài Wǎn · 白瓷盖碗 (白瓷蓋碗)
gaiwan · 120ml
A neutral white-porcelain gaiwan — the universal brewing vessel for gongfu cha. Porcelain is non-porous, so a single gaiwan can move between every category of tea without flavour carryover. Capacity choices around 100–150 ml are most flexible.
Brew with this teaware
Choose leaves that suit White Porcelain Gaiwan, compare current shop offers by tea style, round out the tea table, or tune your water-to-leaf ratio before the next steep.