Originally Posted by bairdco
it's for aluminum only, and it works with mapp gas better than propane. i just use a regular yellow mapp bernzomatic torch.
i have no idea what it's made out of.
I've used those rods many times in the past and it's GREAT stuff. Can be found in most hardware stores. If I were to guess what they're made of I'd guess zinc.
Years ago I was told the only way to weld aluminum was with a tig welder. I thought those alumiweld rods were my only option.
I've since found out otherwise.