378 Speckled Clay

Firing range ^6 - ^10. Excellent throwing body that is a rich gray with a very fine speckled surface in oxidation, a dark brown in reduction. Similar properties to Standard 153. Contains manganese.

Cone 6 Shrinkage 11.5% Absorption 4.0%

Cone 10 Shrinkage 13.0% Absorption 1.0%