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Question about archival storage and polypropylene
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<p>[QUOTE="2manybooks, post: 9464423, member: 8267"]If you buy polypropylene containers from archival suppliers, you can be assured that they are, in fact, of archival quality. Commercial manufacturers may not adhere to the same strict standards of purity. There is a chance that unknown additives may be present in a container marked as polypropylene.</p><p><br /></p><p>That said, for practical purposes the Sterilite containers are probably fairly safe. An extra precaution would be to line them with clean, washed cotton sheets or muslin, as Northern Lights suggested. </p><p><br /></p><p>Condensation may be trapped in plastic containers if temperatures fluctuate - as the temperature drops, relative humidity rises. But if your space is climate controlled (temperature and relative humidity) this should not be a problem. But lining the boxes with cloth would also act as an additional buffer against such risks.[/QUOTE]</p><p><br /></p>
[QUOTE="2manybooks, post: 9464423, member: 8267"]If you buy polypropylene containers from archival suppliers, you can be assured that they are, in fact, of archival quality. Commercial manufacturers may not adhere to the same strict standards of purity. There is a chance that unknown additives may be present in a container marked as polypropylene. That said, for practical purposes the Sterilite containers are probably fairly safe. An extra precaution would be to line them with clean, washed cotton sheets or muslin, as Northern Lights suggested. Condensation may be trapped in plastic containers if temperatures fluctuate - as the temperature drops, relative humidity rises. But if your space is climate controlled (temperature and relative humidity) this should not be a problem. But lining the boxes with cloth would also act as an additional buffer against such risks.[/QUOTE]
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