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<p>[QUOTE="ToughCOINS, post: 7416320, member: 20480"]Despite not having seen these yet, I have a few comments to consider:</p><p><br /></p><p>Thinner is not necessarily worse. In fact, it may be an improvement. The stiffer the material is, the more likely it is to crack and break. Mylar flips are notorious for this, so it's possible that thinning the flips was less driven by cost reduction than by product enhancement. If the thickness is only half what it was before, they will be 1/8 as stiff, and far less likely to crack at the "hinge" where you fold it over.</p><p><br /></p><p>The welded seams should still hold up as well as they did before, as should the scratch resistance of the surfaces of the flips.</p><p><br /></p><p>Opacity is a different issue. I would not expect the flips to be less transparent if made thinner while still of the same material. This implies that the material composition has changed. I'd be wary of that possibility. I've used their flips for submissions for many years, and never had an issue with plasticizers, but question whether a material change has been made which could be detrimental to the archival qualities these flips have long been known for.[/QUOTE]</p><p><br /></p>
[QUOTE="ToughCOINS, post: 7416320, member: 20480"]Despite not having seen these yet, I have a few comments to consider: Thinner is not necessarily worse. In fact, it may be an improvement. The stiffer the material is, the more likely it is to crack and break. Mylar flips are notorious for this, so it's possible that thinning the flips was less driven by cost reduction than by product enhancement. If the thickness is only half what it was before, they will be 1/8 as stiff, and far less likely to crack at the "hinge" where you fold it over. The welded seams should still hold up as well as they did before, as should the scratch resistance of the surfaces of the flips. Opacity is a different issue. I would not expect the flips to be less transparent if made thinner while still of the same material. This implies that the material composition has changed. I'd be wary of that possibility. I've used their flips for submissions for many years, and never had an issue with plasticizers, but question whether a material change has been made which could be detrimental to the archival qualities these flips have long been known for.[/QUOTE]
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