Duncan Pure Brilliance Clear Glaze brush-on glaze 16 oz. jar Add a sparkling, protective finish to your ware with nontoxic Pure Brilliance Brush-On Glaze for Ceramics! Nontoxic, Environmentally friendly and will not crack or craze after firing to kiln shelf cone 06. Creates a brilliant shine after kiln firing that enhances colors. Brush Application: Load a glaze brush with glaze and apply two flowing coats. Let dry between coats. Let ware dry thoroughly. Set ware securely on clean, sharp stilts in kiln. Fire to cone 06.