Ceramic Colors Wolbring GmbH

Lead-free ceramic colours for coating borosilicate glass. It is mainly applied for pharmaceutical glass, ampoules and laboratory glassware based on borosilicate.

Temperature range:
Long-term firing 600°C - 630°C
Short-term firing 630°C - 700°C

The average coefficient of expansion of the basic frit lies within the range of 50 – 300°C at 56 x 10^-7/K and 64 x 10^-7/K.

For further information please see the technical information brochure.
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