Ron and gang.......Been a long time, but seem to remember that years ago, it
was found that using achohol to remove flux was a no-no because an achohol
and rosin mixture made a mild acid, and left a stickey residue ! The boards
do look much nicer with the flux removed, but rosin flux is inert and causes
no problems if left alone. I understand the PCB assy houses use a water
soluable flux, and wash the finished boards in dishwashers with soap and
water after flow soldering ! I have found the stuff that Radio Shack sells
works good, but is a bit pricey ! Carbon tetrachloride was accepted for
mil-spec use too at one time too I beleive.
Maybe someone has more up-to-date data to offer.
72's/73's Roy
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