This clay fires to a warm brown colour. The addition of cellulose fibre make this clay stronger and more forgiving than normal clay. As it is a very strong clay for handforming it is best for slab building. This clay is extremely strong in the unfired state making it suitable as an air dry clay. For air dry clay, simply apply a sealant or acrylic paint to the dry clay art work. For firing, this clay should be fired in an electric kiln and bisque fired to a minimum of 1080℃. and glaze fired 1080-1220℃. This is a coarse clay as contains 30 mesh grog. This clay is manufactured in our Sydney warehouse using Australian clay and imported raw materials. Shrinkage rate Bisque 7%. Earthenware 7 %. Midfire 9%. Stoneware 12%.