Dear Technos,
I am testing WS solder masking substances and what I see is that they
wash perfectly if relatively fresh (barely cured or after a couple of
hours on the board) and they wash very poorly if passed in the in-line
machine 24 or 48 hours after the application.
Is this natural? What is your experience?
Chemtronics have a note on the bottle requesting washing within 48
hours, nothing marked on the Techspray bottle, but both are very
difficult to remove after 24 hours.
Thanks,
Ioan
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