Do cones have a shelf life?
By Tom McInnerney
At the Edward Orton Jr. Ceramic Foundation, a common question asked to us by ceramic artists, potters, or engineers is whether cones have a shelf life. Are cones still usable when they are old? The answer is most always yes, if cones were stored in a dry location, they will still work. The materials used to form cones will not change with age. They are clays, and inorganic minerals that have been mined and refined to make them powdery, like flour. They are blended, mixed with water and binder and pressed into the shape of a cone. We know that the materials remain unchanged since they had been sitti