Close, the HCl comes from the decomposition of the PVC, but the plasticizer acts as a solvent to hold it close to the coin.
AFAIK the stripper (which I have used) also contained methanol and sodium hydroxide and perhaps ethyl cellosolve. Yum!
Is it chamfered?
[ATTACH] Copied this one earlier but now it's gone...so is the one from the OP, no trace of it. Did it sell or did he remove it?
Yes
https://www.yahoo.com/news/teenage-metal-detectorists-dig-1-174540277.html
Methylene chloride is great except that it can be an anesthetic and when exposed to flames generates phosgene which is HIGHLY TOXIC! Although it...
Hey, youse guys includes gals :)
EXACTLY what I was thinking of!
We truly are sarcastic. Did anyone make an offer? I offered $1, upped it to $2 and topped out at $2.50 really, c'mon everyone make him an offer
I want to take one of these and add a sand patina... :)
I've seen worse.
beat me by seconds...
Transline is the company that owns Guardhouse (I think) https://www.translinesupply.com/store/pg/42-PVC-and-PET-Flips.aspx
OK, I'll do some research, but off the top of my head... PVC is usually a stiff, brittle plastic, but materials called plasticizers can be added...
It's not the material of what you are wiping with, but rather of what you may be wiping on the coin. Polishing compound is applied to a car's...
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should be
I have done that too, although they can skate around that way and perhaps pick up some scratches. Also there is a difference between cardboard...
Your point about the smell not persisting for years is valid. If the material appears really soft (like a baggie or shower curtain) or is...
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