Convergent Series

learning, using & teaching metal clay, and other aspects of life

The lifespan of a no-flake-foil firing box….

Posted by C Scheftic on 2012/01/30

I folded this little firing box out of No-Flake Foil (from Cool Tools) some time last April, although I didn’t record the exact date because, at the time, I had no clue it was ever going to be worth noting.

I first wrote about this particular box in a post last July, after I’d noticed a little flurry of discussion about what people used to fire the copper, bronze, steel, or other metal clays that needed to be buried in carbon. At that time, I said it had held up just fine through several dozen firings.

I do tend to fire pieces in spurts (some weeks, nothing; other weeks, multiple loads) but, since then (especially, prior to the last “Holiday Season”!), it has survived dozens more.

The last time I emptied it out, however, during this past weekend and after it had provided almost ten months of regular service, I was sad to note that it has begun to sprout a few little holes. They are tiny and not easy to see (so of course I highlighted them with big red arrows for you in the photo!). But I know they signal the beginning of the end for this particular box.

So I thought I should note the date that it has been retired from duty as my primary firing box. My number-two box will step into that role. The experimenter in me isn’t quite ready to part with number-one yet, of course, so I’ve got it stashed away at the moment. I may try using it again a few more times, just so I can document its demise for my own information.

But, really, it’s just foil. There may be nothing more worth noting about it, except that I am amazed, and delighted, that it has already done so well for this long.

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