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Collector Hexigore private msg quote post Address this user
Hi all. I’m in the arduous process of moving all my books out of old standard bags and boards into Mylar and fullbacks. I see that there can be a transfer of ink to the backing boards. The book seems fine, but it is disconcerting to see it happen. I’ve included some pics to illustrate the issue. Not all of the books had this phenomenon. Just a few. Is it the backing? The book? The bag? The ink used at the time? Just weird. 🤷‍♂️














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Collector KCBatmanFan private msg quote post Address this user
It’s the offgassing of the ink. It passes through the edges of the book and back cover stock and can leave these impressions.
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Collector grapeape private msg quote post Address this user
I see it in 90's comics that have been bagged and boarded over decades.
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Collector Hexigore private msg quote post Address this user
Yeah. These are from the 90’s.
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I bought a meat grinder on amazon for $60 and it's changed my life. kaptainmyke private msg quote post Address this user
offgassing, very common
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CBCS Pressing SteveRicketts private msg quote post Address this user
That's not ink transfer, it's acid transfer from the paper.
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Collector Hexigore private msg quote post Address this user
@SteveRicketts oh wow! That is indeed disconcerting.
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Collector grapeape private msg quote post Address this user
Acidity build up. I've bought some collections the last few years, I see this reaction on backboards from every single collection of 90's books.
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Collector KCBatmanFan private msg quote post Address this user
Quote:
Originally Posted by grapeape
Acidity build up. I've bought some collections the last few years, I see this reaction on backboards from every single collection of 90's books.


Probably because 90s books are the first “generation” of books that have lived their whole lives bagged and boarded.

Older books had years, in some cases decades, in existence to “breathe” vs. being bagged weeks (days?) after manufacture.
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No rust here... Nearmint67 private msg quote post Address this user
@KCBatmanFan Yep...
I have some Gen 13 books I bought off the shelf in 93'. Only changed the bags n boards twice....
But no issues so far. Still minty fresh...
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Collector Hexigore private msg quote post Address this user
So, if it is the book itself, can anything be done about it? Something that will mitigate this issue?
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Staple topics, nice. makahuka private msg quote post Address this user
👍
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CBCS Pressing SteveRicketts private msg quote post Address this user
Quote:
Originally Posted by Hexigore
So, if it is the book itself, can anything be done about it? Something that will migrate this issue?


Yes, put your books in mylar bags with acid free backer boards and store them in a climate and humidity controlled environment.
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I blame the forum gremlins. figment private msg quote post Address this user
Cannot emphasize enough the importance of acid free backing boards. Even mylar can't help if you put a crap board in with the book.
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