What we did with expired solder paste: add 100 ml of a mixture of IPA
and Butyl-Acetate 1:1, stirr and pour the overlaying liquid in your
organic waste bin. Do it twice. Leave the remaining solder drying.
Then the dryed solder can be melted in your wave solder pot without
much fuming or spattering.
Success.
Soft Soldering Processes
Peer Langeveld, Consultant
The Netherlands
2007/2/9, Genny Gibbard <[log in to unmask]>:
> Was sorting through the fridge in the stockroom at work...pushed aside a
> couple of sandwiches and yogurts (the stockroom people keep their
> lunches in there...) and came across a box with 9kg(18 jars) of solder
> paste expired in mid 2004 - a brand we don't use any more. Standard
> 63/37 no-clean.
>
> What would you do with it? Never even been opened.
>
> Genny.
>
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