Formulated for artistic ceramics, Sio-2 PRNF White Sculpture Clay is the ideal choice for sculptures and Raku pieces. This high-fire, Cone 6–10 clay is also known as “Rafael clay.” It has a 40% fine grog (up to 35 Mesh) content, which allows for a beautifully textured surface and produces excellent behavior during drying and firing. - Sio-2 PRAF White Sculpture Clay - 27.6 lbs