Electronics Forum: pva 1000 (Page 1 of 1)

Bubbles in conformal coat

Electronics Forum | Fri Oct 09 16:07:30 EDT 2009 | dlabelle

We use Dow 2620 silicone conformal coat applied with PVA1000 sprayer machine. If used on a daily bases, we have no problem. If we let the machine sit idle for over a week, we will get bubbles in the conformal coating. Sometimes, purging the line w

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