I talked to the Hawk rep again today. Apparently there was a confirmed problem with "a few" pads coming loose from their backing plates. They have since modified their process (called "NRS", whatever that means) where they use a bunch of "fingers" coming out of the backing plate as well as their bonding agent. Apparently this worked so well that they implemented it across the board.
Originally Posted by Radiation Joe
At least ask the Hawk rep about this issue with Hawk Blues. If he says he's never heard of the problem, pass. If he says they worked that out, give 'em a try. But inspect them regularly for cracking.