Kaolin, Grolleg

Available from Seattle Pottery Supply when we last checked. Sold from the shop’s own store; the price there is the one that counts.

Kaolin, Grolleg is a premium, ultra-white kaolin prized in porcelain production for its exceptional whiteness, high purity, and low impurity levels. It improves plasticity, reduces shrinkage, and helps produce a bright, translucent porcelain body with smooth, even firing. Its limited availability and labor-intensive mining process make Grolleg one of the more expensive kaolins used in ceramics. Contains crystalline silica, which can be harmful if inhaled. Can be irritating if ingested. Always we