Protecting your cards

[jchcollins]

Originally Posted by TanksAndSpartans

For raw cards, I don't like toploaders because they are made with PVC (I've seen old ones yellow which shows they aren't made with materials archivists would use imo). I look for archival safe plastics. Mylar/polyester is the gold standard, but I don't like working with it. I prefer polypropylene (I check my penny sleeves and binder sheets are made of this before purchasing, typically they are).

Humidity is a different issue. I would recommend a temperature controlled space - no basements or attics. Keeping the humidity within a certain range probably isn't feasible, but my theory is if you're comfortable, the cards are probably fine.

No toploader made in the 21st century by a reputable supplier contains PVC. That stuff was hobby headline news in the 1980’s, if not before. Even if they did, the chances that such toploaders would noticeably damage your cards in your lifetime is all but nil.


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