You can send the wire to the manufacturer for requalification, for a fee.

RMA solder wire will last for many years, but the manufacture must supply a
shelf life, usually 3 - 5 years.

Karen Tellefsen - Electrical Testing
[log in to unmask]
908-791-3069



                                                                           
             Steve Gregory                                                 
             <SGregory@OAIELEC                                             
             TRONICS.COM>                                                  
             Sent by: TechNet                                              
             <[log in to unmask]>                                             
                                                                           
                                                                           
                                                                           




Well, we made it to Friday!

I'm going ask ya'll a couple of question that I think I know the answer
to, but I want to hear what you think.

Right now I'm in the midst of gathering up all my solder dross, expired
solder paste, and wire solder for a shipment to my recyclers. I noticed
we had a bunch of wire solder in the locker of our training room that
was really old, like it was manufactured back in February of 1997. The
alloy is 63/37, the flux core is a pretty active water soluble organic
acid.

The manufacturer says that shelf life for flux cored wire solder is
3-years. But when I took some of the solder and soldered with it, it
soldered absolutely fine. Wet and flowed out with no problems
whatsoever.

So my question is, have any of actually had any problems soldering with
flux cored wire solder because it was too old? Do you think that
manufacturers shelf life is realistic?

Steve







Enthone GmbH  Geschäftsführer: Knut Balzer, Luc de Croo, Jürgen Dietrich  Amtsgericht Düsseldorf  HRB 45276
USt-Id-Nr. DE 811 205 946 


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