Originally Posted by
coffeeguy
PBTP usually includes curing instructions with their powders...What bangerjim said, once it's baked it's done, BUT it's also based on boolit temperature, not oven temp, so that 10 minutes should start once the boolits are up to temp. Some guys squash flat to smash-test, some make a lead cube, etc...PC should not flake off the boolit....Boolits should also be CLEAN prior to powdercoating
If you're concerned about a partial cure then yes another short bake will finish the process and if there's still leading, try recovering a fired boolit (stack of wet newspaper/phone books & boards, or a range berm) to help troubleshoot.