For Cone 6: Shrinkage 10.0, Absorption 2.2. For Cone 4: Shrinkage 9.5, Absorption 6.0. This is a mid-range white body with a hint of tooth. Bright glazes with this clay! 9% fine kyanite. The unit price listed is per 50lb box. A volume discount will be applied for orders on this particular product. Note that our shipping specialist must calculate delivery rates and prices will vary.