Raku with Grog can easily withstand the extreme changes in temperature that occur during the Raku firing process. With additional grog, this Raku body is durable and reliable to handle just about anything - whether you are throwing on the wheel or coiling a large sculpture, Raku with Grog is a clay body you can count on. Colors will vary as Raku firings are different every time - that's the fun of it! Please Note: Pieces fired in a Raku kiln are not food safe and should not be used for functional ware. Characteristics Cone: 06-02 Firing Range: Low Fire Clay Type: Earthenware/Raku Texture: Medium Coarse Best for: Wheel Throwing and Sculpture Coloration Wet Color: Grey Oxidation: Varies with applications Raku Firing: Varies with applications Statistics Penetrometer Target: 7.5 Avg. Shrinkage ±2%: 7.8% Avg. Water Absorption ±1%: 3.2%