Higher feldspar content (70–85%) mixed with quartz and a small amount of kaolin for aesthetic translucency.
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). Porcelain
Generally contains 25% kaolin, 45% quartz, and 30% feldspar, firing at lower temperatures. Higher feldspar content (70–85%) mixed with quartz and
Proportions vary based on the intended use and firing temperature: and 30% feldspar