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Cone 06 oxidation: Concord Grape will fire matte without addition of a clear glaze. To intensify color or for use on dinnerware, apply gloss or matte clear glaze.
Cone 6 oxidation: No color change.
Cone 10 reduction: Color shifts blue and lightens.
Mayco’s Fundamentals® Underglazes are formulated for application to greenware or bisque, can be fired from cone 06 to cone 10, producing vibrant colors. Fundamentals® will fire to a soft, matte finish when left unglazed. Applying a clear glaze will create a brilliant gloss finish to your surface.
Many Fundamentals® Underglazes perform well at mid-range (cone 5/6) and higher temperatures (cone 9/10). We recommend testing at your preferred firing temperature prior to use. Cone 6 performance is noted on each color’s label. For cone 10 results, visit MaycoColors.com.
Fundamentals® Underglazes are AP Certified Non-Toxic and dinnerware safe when clear glaze is applied. Recommended clear glaze is SW-001 Stoneware Clear.