| Original Message: Very faint odor when hot-needling phenolic |
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I hot-needled an old phenolic bead and there seemed to be a very faint formaldehyde odor. The main thing to notice, though, is that the needle does not make a dent in the material. I heated my needle in a candle flame, so it left a bit of soot on the bead. After I rubbed the soot off, I could not see any evidence of the needle touch, and I pushed it pretty hard. I've read some warnings about celluloid catching fire when touched with a hot needle, so be careful with this test if you think you may have a celluloid bead. I have never owned any so I can't comment further. All rights reserved by Bead Collector Network and its users |
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