I understand how you feel about using chemicals and CF , but the best one to use here was /is ammonia, not what you buy at the supermarket but at the hardware store, it stonger stuff, which would of breaking the bond and allow the post to come out. it should have been apply at the top of the fame where the post goes in ,tap with a rubber hammer to get it to work it way in. as long you clean it out no it wouldn't hurt the BB. you will need to lube the post with something like paste