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#1
November 20th 03, 07:49 PM
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Earlier, Stealth Pilot wrote:
Acid catalysed phenolics (like Selleys 308 in australia ) use formic acid ... ...this acid catalyst has been found to continue working as an acid after the cure and has led to wood failures beside the glue joint. people have died in structural breakups of aircraft because of it. The issue of acid-catalyzed urea-formaldehyde glues in Australia is explored somewhat in the article I cited earlier in this thread. Not being a wood enthusiast I don't really care one way or the other, but I think that folks who do care should know that there is more than a single side to this particular story. Bob K. http://www.hpaircraft.com/hp-24 
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