I've heard that, that this is the case with
whatever the goop is that
Japanese mfrs. use for stuff like holding down large capacitors, etc. And
that it starts out as a light brown in color, turning very dark as it ages.
The stuff I was referring to is off-white (milky-looking) and quite hard when
it's set, which makes it interesting to remove components.
--
Yes it is the stuff. Seems this particular glue found in low
quality stuff.
Fresh stuff is very TOUGH to cut through and hard to rip apart,
baked, crispy-black & conductive.
Cheers, WIzard