Kansas Clay - Cone 06-04 Earthenware Red DryA low fire red clay that fires to a light red orange color at cone 06 to 05, and a richer, deeper red color when fired hotter, up to about a cone 2. During the summer of 2020, Kansas Clay completed a comprehensive test of their clay bodies. For each clay body, they tested 6 flat bars, which were rolled out on a slabroller. They ALSO tested vertical shrinkage of a thrown cylinder (6 sections, each with their own test). Flat Vertical Wet to Dry