Fired Shrinkage is 10% and Water Absorption is 6.5% when fired to cone 5. Stoneware, red, cone five. A beautiful red-brown in oxidation; smooth texture. SRF becomes much richer in reduction. Has the appearance of a cone ten stoneware, even in an electric kiln. Contains no talc. Price is per 25# bag. Volume discounts apply. - ⚠ WARNING - This product can expose you to crystalline silica (quartz) which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov