Speedball Zinc Free Clear

Available in clear only, Speedball Stoneware Glaze is ideally-suited for use with Speedball Underglazes.  Dinnerware safe when used and fired as directed, Speedball Clear Stoneware Glaze carries the AP Seal and is offered in both 16oz and 1 gallon sizes.  Originally formulated for use at Cone 5/6, Speedball Stoneware Clear Glaze has been successfully fired to Cone 10.