CR-54 is a glossy purple glaze that, when fired, crawls into raised shapes of varying sizes and forms. The result is a surface marked by unpredictable, natural patterns that add unique texture and visual interest to each piece. Cone5-6

CR-41 is a glossy lime-green glaze that, when fired, crawls into raised shapes of varying sizes and forms. The result is a surface marked by unpredictable, natural patterns that add unique texture and visual interest to each piece. Cone 5-6

Originally designed to perform in a wide firing range, Cone 06-6, they can be successfully fired at Cone 10. Trusted by some of today’s most well-known and acclaimed ceramic artists, Speedball Underglazes are unmatched in vibrancy and value.

Opaque underglazes designed for use on earthenware greenware clay bodies, fire to cone 04 (1060C), glaze if desired and fire to cone 06 (1000C).

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Fundamentals Underglaze MID-RANGE & HIGH-FIRE (CONE 5-10 / 1196°C-1305°C)

Square writer bottle with 0.6mm /1mm /1.6mm nibs