No Mr. Rase, it was not 50/50. This was a lead free solder my plumber son gave me. He gave me a small assortment of lead free solders, and this particular one contained nickel. I pured an intricate mouthpiece on a tomahawk handle, buffed it bright like chrome, and it stayed shiney for over a year. It is also pretty hard compared to common solder. I cannot read the labels anymore, as they have rusted over, so I don't even know which it is out of the group. I will see if he can tell me what it was, and where to get it, but I would think a good plumber suppy would have it if you asked.