BULK ORDER of 10 or 25 bags of clay at 10kg per bag. General purpose paper clay, suitable for handbuilding or wheel throwing. Needs higher firing temperatures if vitrification is required.Recommended bisque temperature 1050℃. and glaze temperature 1050-1280℃. Shrinkage rate Bisque 6%. Earthenware 7 %. Midfire 11%. Stoneware 12%.