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<p>[QUOTE="Amanda Rose, post: 10003034, member: 88966"]Hi there! I'm Amanda from Gaylord Archival. I thought I could weigh in, although everyone's been really helpful with comments so far. Polypropylene is inert, which means it's chemically unreactive and won't break down, off gas, or harm items long term. However, sometimes commercial plastic manufacturers add coatings or additives that aren't the best choice for preserving artifacts. For example, we source specific types of plastic polyester films (formerly Mylar) that are uncoated and therefore safe for long term storage. The manufacturer would normally coat the films for other applications so the plastic sheets/rolls won't stick together and are easier to use. Quality control can be challenging, as sometimes suppliers do change their recipes so look for materials that are odd or PAT tested, if possible.</p><p><br /></p><p>All that said, commercially available plastic storage containers are better than no storage at all for textiles. We would support lining them with acid free, lignin free tissue or a non-bleached cotton muslin material (or similar). Choose an unbuffered tissue if your garments contain things like silk, wool, leather, feathers, and other protein based items. Storage in a stable environment away from light with little chance for temperature/humidity fluctuations is ideal.</p><p><br /></p><p>For more information, we have a resource called Guide to Collections Care that's available online. We partnered with conservators to create content on archival best practices and it contains a section on textile storage that you might find helpful .<a href="https://info.gaylord.com/resources/explore-our-guide-to-collections-care" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://info.gaylord.com/resources/explore-our-guide-to-collections-care" rel="nofollow">https://info.gaylord.com/resources/explore-our-guide-to-collections-care</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Amanda Rose, post: 10003034, member: 88966"]Hi there! I'm Amanda from Gaylord Archival. I thought I could weigh in, although everyone's been really helpful with comments so far. Polypropylene is inert, which means it's chemically unreactive and won't break down, off gas, or harm items long term. However, sometimes commercial plastic manufacturers add coatings or additives that aren't the best choice for preserving artifacts. For example, we source specific types of plastic polyester films (formerly Mylar) that are uncoated and therefore safe for long term storage. The manufacturer would normally coat the films for other applications so the plastic sheets/rolls won't stick together and are easier to use. Quality control can be challenging, as sometimes suppliers do change their recipes so look for materials that are odd or PAT tested, if possible. All that said, commercially available plastic storage containers are better than no storage at all for textiles. We would support lining them with acid free, lignin free tissue or a non-bleached cotton muslin material (or similar). Choose an unbuffered tissue if your garments contain things like silk, wool, leather, feathers, and other protein based items. Storage in a stable environment away from light with little chance for temperature/humidity fluctuations is ideal. For more information, we have a resource called Guide to Collections Care that's available online. We partnered with conservators to create content on archival best practices and it contains a section on textile storage that you might find helpful .[URL]https://info.gaylord.com/resources/explore-our-guide-to-collections-care[/URL][/QUOTE]
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