Quote:
Originally Posted by VT FUSE
This green corrosion product results from long years stood on pins in damp cardboard multi compartment boxes usually in damp storage.
Mike
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Hi.
Yes, that's understandable. I've also seen severe corrosion on valve pins in Mullard boxes that use the plastic "Kradlepack" packaging.
I tried an experiment to see how well valve pins corrode if the valve was left outdoors. Back in 2010 I put an old B9A type valve (possibly a 6F22 from a GEC TV) out in my garden. I retrieved it a few months ago and was amazed to see virtually no corrosion on the pins.
Regards
Symon