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Removing the protective varnish from the PCB
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Topic: Removing the protective varnish from the PCB (Read 1740 times)
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frantisek
Regular Contributor
Posts: 110
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Removing the protective varnish from the PCB
«
on:
September 15, 2021, 01:25:06 pm »
Can anyone please advise how to remove about epoxy protective varnish from PCBs of Russian measuring instruments? Thanks!
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magic
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Re: Removing the protective varnish from the PCB
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Reply #1 on:
September 15, 2021, 07:11:49 pm »
Ordinary soldermask or conformal coating? Neither is very easy tbh.
What are you trying to achieve?
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ogden
Super Contributor
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Re: Removing the protective varnish from the PCB
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Reply #2 on:
September 15, 2021, 08:33:35 pm »
Further reading:
https://www.vaniman.com/ultimate-conformal-coating-removal-guide/
. In short: epoxy conformal coating is worst case, you need set of preheating + ESD-safe microblasting equipment, right consumables.
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frantisek
Regular Contributor
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Re: Removing the protective varnish from the PCB
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Reply #3 on:
October 04, 2023, 04:33:32 pm »
Now I know how to do it without preheating!!
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p.larner
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Re: Removing the protective varnish from the PCB
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Reply #4 on:
October 10, 2023, 12:40:48 pm »
paint stripper works well+ a brush under hot running water .
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