Speedball Underglaze 16oz Blue Frost

Speedball’s Underglazes are unmatched in vibrancy and value.  Suitable for use on greenware or bisque, each colour produces a softer, velvety finish when left unglazed, and intensifies in richness when covered with a clear glaze*. All colours are dinnerware safe when used and fired as directed, are lead-free and carry the AP Seal.