How to handle cracks in the enamel that reappear with each firing?

25 september 2014 // Door webmaster //
28-01-2005
How to handle cracks in the enamel that reappear with each firing?
29-01-2005
Some coloured enamels develop hairline cracks easily. This may be due to differences in tension between enamel and copper. But occasionally it seems impossible to prevent them from developing; then the ‘last resort’ is to cover the entire piece of work with a well washed soft flux and fire it. The flux fills the cracks (which ususally remain visible to the critical eye) and provides a nice, smooth top layer. An additional benefit is that the cracks no longer catch, and that the enamel will no longer chip off.

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