BULK ORDER of 10 or 25 bags of clay at 10kg per bag. The Bulk options are best for schools, studios and workshops as are the most economical price per bag for purchasing this clay. A quality, economical white firing stoneware clay. An excellent clay body for throwing functional forms including tableware and mugs. This clay produces a reliable colour response and glaze fit. White in oxidation, light grey in reduction. Recommended bisque 1050℃ and glaze 1240-1280℃. Vitrification at stoneware temperatures. Shrinkage rate Bisque 5%. Earthenware 6 %. Midfire 9%. Stoneware 12%.