Hi ken, interesting thought about lead vs salts.
Although there may be some nasty fumes from the lead (easily solved with ventilation) could there be a benefit with it in the case of an accidental spill or splash. I believe that salts at that temp can make most organic matter, i.e. wood, paper, cloth burn at an alarming rate.
I know we can avoid this happening by taking care while working but it may add a point in favour of lead.

Last edited by El Garro; 05/06/17 07:16 AM.
Rust never sleeps !