Sea Glass Velvet Underglaze Cone 05-10 V-329

Sea Glass Blue underglaze is a very pale blue-green color at cone 05 and becomes richer and darker under a clear glaze. It remains the same at cone 5, but fired to cone 10 becomes more blue.

Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.