tinman13kup:
Yes, unless you don't add in enough catalyst. Then it's a gooey mess. It's epoxy.
JB Weld, fancy name for one of the 2Part Epoxy concoctions you can get now.
As its only resistors, it would probably be okay, though thermal expansion may eventually cause it to crack.
Usually you make a bracket to clamp the ceramic resistors down.
Or bolt a heatsink over them to clam them down.
Or in hindsight;
Tom... 