Electronics Forum: humiseal xylene (Page 1 of 1)

Bubbles in Conformal Coating

Electronics Forum | Fri Jan 16 06:53:33 EST 2009 | stevewilde

I am using Humiseal 1B31 conformal coating and xylene mix on a PVA coating machine. Bubbles are appearing between the pins of LCCs mainly and bubbling is worse when put through the IR oven. Does anyone have any suggestions or tips to elliminate this

Cleaning before Conformal Coating

Electronics Forum | Fri Sep 09 15:03:46 EDT 2005 | Amol

Hi, I am running a circuit board that needs a part to be put on it after cleaning and before conformal coating. the only problem is that after cleaning and hand assembly of the part, there is a thin whitish residue in the ckt board that one can see w

Conformal coating bubbles with 1B73

Electronics Forum | Wed Feb 16 12:22:54 EST 2011 | duso02

Have you always used xylene? For our 1B73 we use nothing but 73 thinner from Humiseal or PGMEA at about 50/50 depending on the humidity.

Conformal coating bubbles with 1B73

Electronics Forum | Wed Feb 16 12:47:58 EST 2011 | dennisfo

I've been here approx. 3 months. It was indicated that Xylene has alwas been used but it was never indicated that bubbles were not present in the past (ignored or touchup). I have a sample of Humiseal 73 thinner ordered for testing. We've been thinne

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