There have been rumors going around that the English china clay “Grolleg” will no longer be available. Hammill & Gillespie was the original importer of this clay into the US and still does so today. Grolleg is a blend of English china clay mined in a specific region of Cornwall, UK. The chemestry of this product is what makes this kaolin so special. Low levels of titania provide unrivaled traslucency that cannot be found in domestic Kaolins. A high flux content means you can use more clay and less feldspar, making up for lower plasticity. Grolleg is truely a high performance kaolin, with excellent fired whiteness, strength for plastic making, and good fluidity for casting applications.
You will find Grolleg in formulations from pottery and tableware to electrical porcelain production. With clay reserves conservatively estimated at between 25 to 30 years, this clay will be available for years to come.