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equipment:storage [2019/06/07 18:21] – [Foams] mcmaster | equipment:storage [2019/07/05 18:25] – mcmaster | ||
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depends on whether you want your foam to turn to goo or powder. personally i prefer goo | depends on whether you want your foam to turn to goo or powder. personally i prefer goo | ||
- | 14: | + | powder is open cell foam, it works as an abrasive too |
- | 14: | + | goo is closed cell foam, which is oddly slick |
- | 14: | + | after 20 years the foams disintegrate |
- | 14: | + | open cell foam turns into some sort of acid (acetic?) which will eat chip legs i think |
- | 14: | + | i don't know about closed cell |
- | 14: | + | i think closed cell disintegrates much slower but gets ' |
</ | </ | ||
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+ | [Lord_Nightmware IIRC] | ||
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+ | < | ||
+ | The open cell foam is very likely polyurethane foam†, which degrades into a powder | ||
+ | (clumps if compressed) primarily via hydrolysis / photo-oxidation depending on the type¹ | ||
+ | and (assuming polyester-based PU) releases mainly adipic acid, which is corrosive². | ||
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+ | †) general consideration of properties, and a few very rough tests such as: | ||
+ | heating (chars: thermoset polymer), comparison against known PU foam; with supportive results. | ||
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+ | https:// | ||
+ | https:// | ||
+ | </ | ||
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+ | [[https:// | ||
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== Brands == | == Brands == |