Originally Posted by
Jgwright
I agree, but there are many types of epoxy out there. I am sure the quick setting types are the ones that cause the most problems. In the plane I bought the glue had gone light brown in colour and was soft. It surely was not like that when originally used. The plane was a composite plane and the whole of the original structure was quite sound. Unfortunately this test will not pick up long term deterioration.
John
There is also the issue of fuel affecting the deterioration of adhesives. Glow fuel certainly had an effect on the epoxies we used to use and I suspect turbine fuel might as well. Here again, Hysol is impervious....another reason I like to use it areas that might experience fuel contamination.