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General control line discussion => Open Forum => Topic started by: Donald Main on October 25, 2023, 03:11:13 PM

Title: Sunken glue joints
Post by: Donald Main on October 25, 2023, 03:11:13 PM

What causes glue joints to sink? CA or sigment all joints seem to sink when dope is applied. And I am using non taunting clear butyrate.

Title: Re: Sunken glue joints
Post by: Dave_Trible on October 25, 2023, 04:06:10 PM

Cements shrink just like dope does.   You might expect when you apply dope the solvent can soften the glue enough to trigger more soaking/shrinking.  Yet another of the joys of getting a good finish.  Grab the Kombi putty!

Dave

Title: Re: Sunken glue joints
Post by: Ty Marcucci on October 25, 2023, 05:45:06 PM

I know Ambroid/Sigment/Duco will dry out and shrink, but I have never witnessed CA type adhesives shrinking, in fact used properly you can hardly see them. D>K