C-20 Cobalt High Fire softens slightly at cone 5

softens slightly at cone 5 and becomes darker and slightly glossy at cone 10

Layer over other Potters Choice glazes for a warmer tone and hints of pink and red

A thicker application should result in smaller spots

Designed for sculpture

Ideal for wheel and slab work

C-20 Cobalt High Fire softens slightly at cone 5Cone 5 6 This 100% mixable celadon glaze is a deep, glossy cobalt blue that pools and accents textured ware like the ancient glazes they are created to imitate. Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.