[sdiy] Solder stops flowing all of a sudden?
charlie at finitemonkeys.com
Wed Jan 22 00:27:21 CET 2014
Lead free does tend to flow less nicely and look murkier than leaded.
Also you need a higher temperature.
I recently turned a blue pcb almost green because i accidentally mixed
in some lead free paste with the leaded, and couldn't get it to
melt/flow, had to crank up the heat considerably on the hot plate.
try flux, the sc 305 says 2.2% flux, if no go, more heat, if still no
go and you can use it, i much prefer leaded solder.
On Tue, Jan 21, 2014 at 3:21 PM, Karl Ekdahl <elektrodwarf at yahoo.se> wrote:
> i'm using no-clean sac 305 which i assume means it has no-clean flux on it from scratch, i guess part of it may be missing the flux? bummer, this shit's expensive..
> Den tisdag, 21 januari 2014 18:19 skrev charlie wallace <charlie at finitemonkeys.com>:
> lack of flux?
> On Tue, Jan 21, 2014 at 3:09 PM, Karl Ekdahl <elektrodwarf at yahoo.se> wrote:
>> Hi list, so i've stumbled on this peculiar thing where my solder stops flowing all of a sudden. It melts, but doesn't become liquid, it sort of becomes "old" immediately the way solder becomes if its been on your tip for too long - giving horrible crack-ily joints. It seems my iron is keeping its heat and the tip is brand new, i seem to recall stumbling upon this before and it was a roll of solder that was bum halfway through.. rings any bells? Not sure what to do, buy another roll of solder? Is my iron going?
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