Porcelain -

Acts as a "flux," melting during firing to create a glassy matrix that bonds the other ingredients together, making the final piece non-porous (vitrified).

Higher feldspar content (70–85%) mixed with quartz and a small amount of kaolin for aesthetic translucency. Porcelain

The specific "recipe" or content for porcelain determines its final properties like whiteness, strength, and translucency. Acts as a "flux," melting during firing to

Proportions vary based on the intended use and firing temperature: Acts as a "flux

The foundational ingredient. It provides structural integrity and maintains the white color at high temperatures.

Often reinforced with alumina or ball clay for extreme durability in commercial use.