This clay body has a heavy grog content formulation with excellent thermal shock properties, utilizing two different Kyanite mesh sizes plus other grogs. RO-31 Raku is also an excellent sculpture clay for massive pieces and is accepted as a tile body.
Firing range is cone 06 to cone 8
Shrinkage at cone 06 is 7.5% and at cone 6 is 10.5%
Absorption at cone 06 is 12% and at cone 6 it is 7.8%
We cannot guarantee orders shipped in winter months will not freeze in transit.