Try site sponser Western metals
Ok, well I'll just wait on western metals then. That said, are there no other Canadian suppliers? Searching keeps giving me American places.
There are, they usually have a 500 pound minimum.
http://www.metaldist.com/industrial---lead-products.html
Also note that alloying raw antimony into an alloy can be difficult. As noted you need a lot of heat and often special fluxes are need to get it to mix in properly.
Auggie D.
Temperature isn't an issue for me. I have a proper melting furnace for other things that need similar temperatures. I was thinking I'd do a 50-50 alloy with lead in a crucible and then dump that in the lead pot as an ingot. Presumably this should work ok. Presumably being the key word in that statement.