most of the lead is coming from the priming compound. I doubt the boolit ever gets enough heat for enough time to vaporize..
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I think there's some extra lead in the air when you shoot cast bullets. When you cast up a batch of bullets, there is always a bit of lead dust that breaks off. It builds up in my tumble lubing pan and mixes with the lube, darkening it. When you fire the bullet, some of that dust is going to go in the air. Some of it might vaporize, but I expect there to be some solid lead particles small enough to suspend in the muzzle blast long enough to breathe.
It's not just the color of the lube, either. While the tumble lube is liquid, I can see solid grit/particles in the corners of the groove when I haven't cleaned my tumble lube pan in awhile. They actually seem to help fill the TL grooves more fully.
Shot my first bullets lubed with Carnuba Red today. After shooting with my previous lube I would normally need to scrub some lead from the first half inch or so of the barrel. Wasn't necessary with Carnuba Red!
I have been using a hair dryer sucessfully for years. Borrowed wifes originally and she upgraded to a newer model several years later. Rewarm sizer when it needs heat. In a heated house in winter this could be every 10 to 15 min. Doesn't take very long don't overheat. afish4570
The Blue Carnauba eliminated the leading problems I had with my 357 cast loads. It leaves traces in the bore, so I know it's in all 24 inches of the barrel. Flows effortlessly from the Lyman 45. I even use it with LAL and PC bullets. I tend to overlube and so far the products have been very successful for me. You can see the traces of the lube in my bore, here is a pic.
Attachment 316247
Agreed Glenns lubes are all I've ever used Been working great for everything I load
I too have had great results with custom purple colored WLL Blue Carnauba in my 146 grain RNFP cast boolit in .357 Magnum brass with 6.9 grains of W572.