Rosin Flux Removal

Buck Buchanan buchanan at qualcomm.com
Tue May 12 16:53:52 CEST 1998


At 06:47 PM 5/8/98 -0400, media at mail1.nai.net wrote:
>Otoh, answers like "I've always used a mix of pineapple juice and gasoline
>and that always worked fine,"  are perfectly acceptable :)

Hi Mark and all,

I've had good luck with denatured alchohol.  Just scrub down the solder
side well with an old toothbrush then blow dry w/compressed air (the canned
stuff).  I'm ganna try using isoprophyl alchohol next time too since it's
less severe than denatured (see below).

Notes on denatured alchohol: Although it doesn't seem nearly as toxic as
the "serious flux cleaners", still work w/plenty of ventalation and I try
to keep it off my hands.  It's also FLAMABLE.  Lastly, I can and will take
certain types of silkscreening off (ink based especially).  It is very
cheap though (at the hardware store) compared to "flux cleaner". 

Also, I use sealed "washable" trimmers (Phillips/Mepcopal - Digi-Key $1.65
each. multi-turn) and try real hard not to get alchohol in the tuning
screw.  No, I don't *know* that these trimmers can hold up to denatured
alchohol but I haven't screwed one up yet... Open cased trimmers and
similar parts may be damaged by denatured alchohol.

Just my $.02.

Buck



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