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<p>[QUOTE=&quot;-jeffB, post: 3355345, member: 27832&quot;]I would have guessed that silicone would produce a better gas seal than rubber, but <a href="https://imageserv5.team-logic.com/mediaLibrary/99/D116_20Haibing_20Zhang_20et_20al.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://imageserv5.team-logic.com/mediaLibrary/99/D116_20Haibing_20Zhang_20et_20al.pdf" rel="nofollow">apparently I would have been wrong</a>.</p><p><br /></p><p>But I think the most important part is the glass. The cross-section of the silicone gasket is very small compared to the overall volume and surface area; I think these might work fairly well.[/QUOTE]</p><p><br /></p>

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