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Rifles, Reloading, Optics, Equipment
Gunsmithing
Release agent for glass bedding??
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<blockquote data-quote="ntsqd" data-source="post: 1673964" data-attributes="member: 93138"><p>Those published by Devcon themselves. I compared shrinkage, compressive strength, and coefficient of thermal expansion as those were what I thought would be most relevant to this use. I really expected the steel to be better than AL in thermal expansion, and it isn't. I was also surprised by AL having a very slightly higher compressive strength. AL does give up a tiny bit to Steel on shrinkage, but for the tiny .0002in/in difference I'll take the AL's advantages in the other pertinent specs. Toss in that it's lighter than the Steel Putty and it seems like the clear winner to me.</p><p></p><p>AL Putty:</p><p><a href="https://itwperformancepolymers.com/media/1014/aluminum-putty-f_041418.pdf" target="_blank">https://itwperformancepolymers.com/media/1014/aluminum-putty-f_041418.pdf</a></p><p></p><p>Steel Putty:</p><p><a href="https://itwperformancepolymers.com/media/12748/plastic-steel-putty-a_062919.pdf" target="_blank">https://itwperformancepolymers.com/media/12748/plastic-steel-putty-a_062919.pdf</a></p><p></p><p>Ti Putty:</p><p><a href="https://itwperformancepolymers.com/media/1066/titanium-putty_041418.pdf" target="_blank">https://itwperformancepolymers.com/media/1066/titanium-putty_041418.pdf</a></p></blockquote><p></p>
[QUOTE="ntsqd, post: 1673964, member: 93138"] Those published by Devcon themselves. I compared shrinkage, compressive strength, and coefficient of thermal expansion as those were what I thought would be most relevant to this use. I really expected the steel to be better than AL in thermal expansion, and it isn't. I was also surprised by AL having a very slightly higher compressive strength. AL does give up a tiny bit to Steel on shrinkage, but for the tiny .0002in/in difference I'll take the AL's advantages in the other pertinent specs. Toss in that it's lighter than the Steel Putty and it seems like the clear winner to me. AL Putty: [URL]https://itwperformancepolymers.com/media/1014/aluminum-putty-f_041418.pdf[/URL] Steel Putty: [URL]https://itwperformancepolymers.com/media/12748/plastic-steel-putty-a_062919.pdf[/URL] Ti Putty: [URL]https://itwperformancepolymers.com/media/1066/titanium-putty_041418.pdf[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Release agent for glass bedding??
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