Cobalt Blue
A classic transparent cobalt blue that's easy to work and tolerates high heat; a neutral flame gives the best results — avoid reduction.
Outcomes
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Rich, saturated transparent cobalt blueWorks best in a neutral flame; can take lots of heat. Slightly stiffer than other transparent colors.
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Degraded or dull cobalt blue (under-reduced)Reducing flame produces undesirable results; avoid reduction to maintain clean color.
Working notes
- Avoid reducing flame — reduction degrades the color.
- Rod is slightly stiffer than other transparent colors; account for this when working.