Originally Posted by
Bill Adamsen
Almost all the Titebond are extremely acidic. This explains why they have such a negative impact on tool surfaces and also clamps. TBII for instance has a pH of 3.0 ... which is exceptionally acidic. If you glue up with TBII and wipe the glue with your thumb, you will likely be typing in your iPhone password for the next week or so.
Fortunately they remove easily with a razor blade, and if cleaned thoroughly the surface shouldn't oxidize too badly.