Wisconsin Parts Database Instructions and Discussion Team/Group > INDIANA
> Motors and tools
> Add
> New
> With Warranty
> New 50-62021 qualitek silver solder 62/36/2 1 lb
New 50-62021 qualitek silver solder 62/36/2 1 lb
New Philmore 50-62021 Qualitek Silver Solder 62/36/2
These solders are specially formulated to be used with gold and silver plated contacts to prevent the leaching of precious metals which is easily dissolved into tin. Leaching is the tendency for tin/ lead-bearing solder to dissolve metallizations during reflow operations. The rate at which silver leaches into molten tin/ lead solder alloy is retarded by using solder alloys which contain a small amount of silver. These solders contain 2% silver in the alloy. RA300= Rosin Activated core, NC601 = No-Clean core These other solder rolls are available. Let me know if you want one of these and I will post a listing.
