China Clay

China Clay

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Formula: Al2O3.2SiO2.2H2O

Found both as primary and secondary clay deposits (Kaolinite is the major mineral constituent), and they are typically coarse in particle size and, as a result, are non-plastic. In glazes it is a major source of Alumina. If used in large amounts in a glaze, it can produce a matt texture. It is the principal component of porcelain bodies, and will produce white stoneware bodies in a wide temperature range (cone 5-16) due to its low Iron content

Melting Point: 1760oC

Molecular weight:

Glaze Material Group: Alumina, Glass former

Alternative Name: Kaolin

Safety: Toxic material or hazardous as airborne dust, and/or as powder and/or in liquid suspension
No recommended products at the moment.