Permanent bond, conductive (Don't use too much or you can end up shorting the IC)
Summary:
This is exactly what we were looking for. In our shop we work on lots of electronics wherein the thermal sticky pad has lost it's stickiness.
This thermal epoxy works the same as other epoxy with two halves combined to create a hard permanent epoxy, only in this case with Arctic Silver mixed in. Fast drying, great results.