Electric Blue Velvet Underglaze cone 05-10
Electric Blue Velvet Underglaze is a very deep cobalt blue that is vivid at cone 05, darkens significantly at cone 5, and becomes a very dark navy blue at cone 10. A clear glaze deepens the color of the underglaze significantly at any temperature.
Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.