After hunting around for FMS I have a new solution. Can you apply the mold release (770NC) directly to metal and skip the sealer? I thought maybe a couple extra coats would do the trick.
Is this a high production? expensive tool? you can def skip the sealer and just use release. However if the tool is expensive or you plan on pulling lots of parts I would seal it. As for using the FMS over B-15, not sure… I would of called Frekote by now. Best way to get a quick answer.
Skipping recommended steps is never a good idea.