RO-30S contains granular Manganese Dioxide, which gives it a "reduction" look in oxidation. The speckles will bleed through a clear or opaque glaze. RO-30S is a 50/50 blend of RO-10 and RO-20, this clay body fires a toasty brown at cone 10. Versatile RO-30S is an excellent sculpture body, as well as for throwing on a wheel and hand-building.
Firing range is cone 6 to cone 10
Shrinkage at cone 6 is 10.9% and at cone 10 is 11.7%
Absorption at cone 6 is 2.7% and at cone 10 it is 0.8%
We cannot guarantee orders shipped in winter months will not freeze in transit.
