Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

I've looked at a few pastes, and they all said must be cleaned after
soldering with damp rag.
So i reckon the flux is a no-go for SMD work. I don't consider it a
problem for board tinning as it is soluble and you can certainly clean a
board so it is removed (remember we etched it in pretty bad acid in the
first place).
I don't thik however it can be washed out 100% under SMD parts.

Maybe one could put a larger amount of the stuff on SMD pads after
painting, reflow, clean, put a drop of sticky resin flux on each SMD pad
and position the components, reflow. But other than beeing possibly much
cheaper there is not real advantage here.

still i'll certainly try tinning boards this way - sounds great.

ST