MP,
Do you mind repeating this experiment with a gauge R&R.
10 samples, 3 operators, 3 days ought to cover it.
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| Update on CA shrinkage http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=16725 |
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| Author: | Michael Dale Payne [ Fri Apr 04, 2008 3:26 pm ] |
| Post subject: | Update on CA shrinkage |
I thought I should post this in a new topic for ease of locating but is in reference to the previous post on this subject. As you may remember 2 weeks ago I placed a single drop of thin CA on a sheet of glass and allowed it to cure over night then using a dial indicator measured the height of the cured drop at .039" in reference to the clean glass. A week later I measured again at .037" and at lunch today (2 weeks later) I measured it at .037" The test was kept in 40% rh at 70 degrees F. Conclusion is that a single drop of Starbond thin CA shrinks back about 5% over a week and appears to shrink no more after two weeks at 40% rh and 70 degrees F. Now of course this is just a single sample test so take it for what it s worth but this is consistent with what I have experienced in the past. |
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| Author: | Alain Moisan [ Fri Apr 04, 2008 3:30 pm ] |
| Post subject: | Re: UpdatE on CA shrinkage |
Thanks for sharing man! |
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| Author: | Steve Saville [ Fri Apr 04, 2008 10:16 pm ] |
| Post subject: | Re: Update on CA shrinkage |
MP, Do you mind repeating this experiment with a gauge R&R. 10 samples, 3 operators, 3 days ought to cover it.
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