Jim,

  I did this mix in the past and DIDN'T note any difference in the
solder joint quality.

Jorge Dourado de Santana
Maintenance / Process Engr
Microtec - Brazil


> -----Original Message-----
> From: Michael Fenner [SMTP:[log in to unmask]]
> Sent: 28 de Julho de 1999 20:33
> To:   [log in to unmask]
> Subject:      Re: [TN] Mixing solder bars from different
> manufacturer's
>
> Setting aside any quality issues related to traceablity of supplier
> and so
> on.
> Solder manufacturers generally base their product claims on the purity
> of
> their material, and the merits of the process they use to attain this
> high
> purity.
> So if both suppliers are responsible quality companies supplying
> electronic
> grade material and their product claims are true, then all you have
> from
> either supplier is pure tin and pure lead perfectly alloyed together
> in
> perfect harmony.....
> On this basis the solders must be identical and can be mixed in any
> proportion.
>
> [I thought this was better value than just saying "technically yes"]
>
> Mike Fenner
> BSP, OX15 4JQ, England
> T: +44 1295 722 992
> M: +44 789 999 7715
> F: +44 1295 720 937
>
>
> -----Original Message-----
> From: West, Jim <[log in to unmask]>
> To: [log in to unmask] <[log in to unmask]>
> Date: 28 July 1999 21:42
> Subject: [TN] Mixing solder bars from different manufacturer's
>
>
> >Hi all,
> >
> >This might be a silly question, but I received some left over solder
> from a
> >customer that is made by a different manufacturer than what we use.
> Both
> >solder bars are 63/37 and I want to know if you can mix solder from
> >different manufacturers, I'm not sure if manufacturers do anything
> different
> >with their product or if any quality issues could arise.
> >
> >Thanks,
> >
> >
> >Jim West
> >Manufacturing Engineer
> >
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