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. This clay is a good selection when you want some of the clay body exposed and not totally glazed as it is a very good rich red iron colour when fired. Redstone is a deep red/brown firing clay in Oxidation. Not recommended for reduction. Texture is 80 mesh. Strong dark coloured glaze response 1240℃. Suitable as a mid fire clay. Recommended bisque 1000℃ and glaze 1220-1260℃. Shrinkage rate Bisque 4%. Earthenware 9%. Midfire 14%.
