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Verdigris And Plastic Bags

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First Page  Showing last 15 replies.
Author Previous TopicReplies: 21 / Views: 4,120Next Topic Page 2 of 2
Bedrock of the Community
United States
19975 Posts
 Posted 01/26/2014  11:09 pm  Show Profile   Bookmark this reply Add BadThad to your friends list
Keep any coins with verdigris isolated, it will definitely spread from coin to coin. I like the zip lock freezer bags the best. The sandwich bags are too thin.
Lincoln Cent Lover!
VERDI-CARE™ INVENTOR
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Pillar of the Community
Canada
2805 Posts
 Posted 01/26/2014  11:17 pm  Show Profile   Bookmark this reply Add nalaberong to your friends list
I keep my whole 2,000+ world coin collection in zip-lock bags
Pillar of the Community
United States
1392 Posts
 Posted 01/27/2014  1:33 pm  Show Profile   Bookmark this reply Add The Silver Searcher to your friends list
If I use Verdi-Care on my wheats, then will I be able to safely store them with my unaffected wheats afterward?
Bedrock of the Community
United States
19975 Posts
 Posted 01/27/2014  2:15 pm  Show Profile   Bookmark this reply Add BadThad to your friends list
They should be OK but I still don't recommend it. Corrosion is a very funny thing and rather unpredictable. Personally, I don't take any chances with corroded coins.
Lincoln Cent Lover!
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Valued Member
United States
127 Posts
 Posted 04/16/2015  12:52 pm  Show Profile   Bookmark this reply Add Turbolag to your friends list
Are zip lock bags made for jewelry or beads made of the same stuff ziplock brand food bags are made of? I could see how since they arent made for food they could be less safe for coins but the smaller bags could be easier to deal with if I only have a few coins that are corroded, or the same date, etc
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United States
23522 Posts
 Posted 04/16/2015  1:30 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list
Welcome to Coin Community, turbolag. I normally get pretty worked up when someone bumps a thread more than a year old, but yours is a question directly related and it's not a bad time to re-discuss the topic. Happens a lot in forums like this, especially ones which cater to new collectors like us.

So you've "necro'ed" a thread which didn't bother SsuperDdave. Mark the day.

I cannot say I'm 100% sure, but a reasonable man would conclude that you're as safe with those types of bags as the larger ones. The PVC plasticizers which are the problem with "soft" plastic are definitely not food-safe, and would never be used in stomach-facing applications. Further, if their stated purpose is to store jewelry, those same plasticizers would as easily wreck a silver necklace as they would a silver coin, and would not be acceptable for jewelry storage either. The industry would have abandoned them a long time ago.

With all that said, these bags are usually recommended here as one of the layers of protection for bulk storage of coins. Depending on your application, there are very few reasons to put more than one coin in any individual container. There are also equally few reasons - aside Ancients - to tolerate corrosion on a coin. That corrosion is progressive and will eventually destroy the coin, and hobby-acceptable solutions to stop the corrosion are available.
Valued Member
United States
127 Posts
 Posted 04/16/2015  5:05 pm  Show Profile   Bookmark this reply Add Turbolag to your friends list
Thanks!

That's one thing that I have noticed browsing these forums is that a lot of old threads are locked, and you can't really scroll past a few pages of threads.

The only other forum I've used is for a specific vehicle I own and they do the complete opposite - new threads asking questions that have been answered many times are deleted or bombarded by a slew of links to 4 year old threads that they should have found through searching. There are even threads made just to show condensed lists of old threads that people are looking for.

So I thought I was doing the not-annoying thing, but I still don't know why resurrecting an old thread would be bad. Sorry

Pillar of the Community
Canada
2805 Posts
 Posted 04/16/2015  6:49 pm  Show Profile   Bookmark this reply Add nalaberong to your friends list
There's a little box somewhere at the bottom of any subforum page that says "View topics from [time period]", by default it's set to something like 30 days. Have you tried setting it to "All topics" so you can go further back in time?
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United States
23522 Posts
 Posted 04/16/2015  7:01 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list

Quote:
So I thought I was doing the not-annoying thing, but I still don't know why resurrecting an old thread would be bad. Sorry


Few people who resurrect old threads have done enough homework to resurrect one which is spot-on their specific question. You did. That's the usual source of my irritation, folks who would bump a thread like this one to ask about Jeffersons instead of plastic bags.

Coin Community, unlike our peers, is specifically devoted to nurturing new collectors. Our more expert regulars know they have a duty to help teach, and I like to say that you're either here to learn, or to teach. Therefore, renewing old topics of conversation is not only expected but planned. We repeat the same old information with great regularity, by design. In many cases new information has become extant since the last discussion, and some of the old information might even be contraindicated by then.

So we encourage new threads even on tired old subjects, which is directly counter to the conduct of most online forums.

In addition, we have a rather remarkably efficient Search function (linked above), which if you're any kind of Forum regular you will know is a rare thing. It will search Archived topics, and this place is so efficiently indexed by Google that we've included a Google-specific keyed search engine as the first choice of method for your search.

Frankly, I'd prefer a brand new thread on just about anything if you can't find your topic going back 90 days. 80% or so of our readership never posts and aren't Members, nor are they interested in Searching.
Pillar of the Community
United States
1788 Posts
 Posted 04/16/2015  7:07 pm  Show Profile   Bookmark this reply Add Ploopy to your friends list
I've actually also wondered if plastic bags had PVC, thanks for the necro! And great info.
Pillar of the Community
United States
711 Posts
 Posted 04/17/2015  09:32 am  Show Profile   Bookmark this reply Add BuckeyeCoinGuy to your friends list
I make PVC and PE for a living, mainly PVC. Someday I need to take pictures of some real steel mirrors. I can probably see out for 10 feet off an extruder die.


Here is a great flow chart for identifying what type of plastic you have.

http://www.consultekusa.com/pdf/Tec...chart%20.pdf

Here is a thumbnail of the chart as clickbait, yet oddly not clickable.

Verdigris-And-Plastic-Bags

Short version to make sure something is NOT PVC.

1. Does it float in water? If it does, it is not PVC. An air bubble under your item may float it. Shake them out.

2. Light it on fire (safety first though). PVC will have a green tint to the flame. PVC is generally self extinguishing, as in if you remove the flame it will stop burning. PVC will char and become brittle and black when burned. PVC will give off the smell of hydrochloric acid when burned.
Pillar of the Community
United States
7390 Posts
 Posted 04/17/2015  10:15 am  Show Profile   Bookmark this reply Add Cascade to your friends list
Ya, Thanks for the necro Turbolag. As I was reading from the beginning I was wondering about those little jewelry bags. I've never seen SsuperDdave be sooo receptive to a year old thread bump either, way to go!.. Stick around if you want to learn more about the hobby. This place is a very fluid repository of everything you ever wanted to know about coins with a brotherhood type feel
Bedrock of the Community
United States
17884 Posts
 Posted 04/17/2015  10:39 am  Show Profile   Bookmark this reply Add Conder101 to your friends list
Link to the chart is not working.
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190135 Posts
 Posted 04/17/2015  11:08 pm  Show Profile   Bookmark this reply Add jbuck to your friends list

Quote:
Here is a thumbnail of the chart as clickbait, yet oddly not clickable.
It is now.

Quote:
Link to the chart is not working.
Fixed.
Bedrock of the Community
United States
19975 Posts
 Posted 04/18/2015  12:21 pm  Show Profile   Bookmark this reply Add BadThad to your friends list

Quote:
Here is a thumbnail of the chart as clickbait, yet oddly not clickable.


That chart is ultra cool! Thanks
Lincoln Cent Lover!
VERDI-CARE™ INVENTOR
https://verdi.care/
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