140 degrees is well above the temperature in most "hot boxes" and
should produce EMCs below the clinically "dead" 4%. I'd start with a
pallet knife in any of the rib/board separations and test the
strength with which the glue joints resists further continuing of the
separation by the knife blade.
Bill Ballard RPT
NH Chapter, P.T.G.
"May you work on interesting pianos."
...........Ancient Chinese Proverb
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