IMCO's 501 Night Sky Cone 6 Sold in 25lb increments. A dark clay body with white specks, mirroring the night sky. To make sure the specks are visible we recommend sanding your bisque with a fine grit sandpaper. This clay body is for oxidation firings only. Do not raku. Absorption-3% at cone 6 Shrinkage Rate-13% at cone 6
