Here is my question for the afternoon,
 
I know the answer is "it depends", but I need some more information to
help with the decision process.
 
I just took delivery of a new wave solder machine set up for SAC 305.  I
have not yet purchased solder or flux.
 
Our CM is using Sn100C.  I know Sn100C is less expensive than SAC 305
(the IPC alloy of choice).
 
Is there going to be a long term issue if Sn100C and SAC 305 get mixed
together via hand soldering?
 
Is the Sn100C process more forgiving than that of SAC 305?
 
Are there fluxes out there that work better in a foam application?
 
I'd like to figure this out before ordering 600 pounds of bar solder.
 
Thanks in advance,
 
Phil Nutting

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