Kaolin

What is Kaolin?

Kaolin, also known as china clay, is a soft, white clay primarily composed of the mineral kaolinite, a hydrous aluminum silicate formed through the natural weathering of feldspathic rocks. It is valued in ceramics for its whiteness, chemical inertness, low plasticity, and excellent thermal stability.

Kaolin plays a vital role in ceramic body formulations by providing whiteness and translucency, controlling thermal expansion and shrinkage, acting as a filler to enhance mechanical strength, and supporting glaze bonding and surface smoothness.