Speedball Underglaze 16oz Yellow

Speedball 16oz Underglaze Yellow Non Toxic

Offering artists spectacular results that fire true consistently, Speedball’s Underglazes are unmatched in vibrancy and value.

Originally formulated to perform in a wide firing range, 05-6, Speedball’s Underglazes have been successfully fired at Cone 10.  Suitable for use on greenware or bisque, each color produces a softer, velvety finish when left unglazed, and intensifies in richness when covered with a clear glaze.