Quote:
Originally Posted by Al Skierkiewicz
In practice I have seen hot glue on plastic that can only be removed with a razor blade. When applied to the PWM connector of a speed controller or RoboRio, the glue also migrates into the connector body and interior of the device.
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You have definitely seen some variety of hot glue that doesn't match anything in my experience. The kind I use doesn't come close to being able to "migrate".
When I say "hot glue" I mean the kind that comes in clearish/whitish finger-sized sticks and gets extruded through a hollow heating element, coming out as a skinny thread of sticky squishable plastic with the approximate consistency of gel-style toothpaste. It quickly cools to a slightly pliable solid form, sticking to whatever it is contact with. When hot, it does not flow into cracks; one would have to force it there intentionally as if spackling a hole.