I have stuck several cases while F/L sizing with spray lubricants and gave up on them. Imperial is great, and I have several cans. But Hornady Unique is just as good, cheaper, and lasts much longer.
I didn`t think Hornady had been out that long. I still am on a tin of Imperial I started 2 or so years ago. The one before that seemed to go forever, notably longer then the RCBS & Lee lubes and pad I started reloading with.