Concord Grape


Cone 06 oxidation (large photo): Concord Grape will fire matte without addition of a clear glaze. To intensify color or for use on dinnerware, apply clear or matte clear glaze.

Cone 6 oxidation (small photo – left): No color change. Recommended clear glaze is SW-001 Stoneware Clear.

Cone 10 reduction (small image – right): Color shifts blue and lightens. Recommended clear glaze is SW-001 Stoneware Clear.



Underglazes were the first product line Mayco produced in 1954 and continues to be a staple for many ceramic artists. Mayco Fundamentals® Underglazes are highly versatile and may be used for complete coverage or in design, applied to clay or bisque and have a broad firing range.

Additional information

Food Safe

Weight 0.25 lbs
Dimensions in
Size /Unit of Measure

2 oz. jar, Pint

Country Of Origin