Thanks Doug! So is there anything you can do, like wash them in alcohol or
something?

Steve

On Tue, Apr 14, 2015 at 10:23 AM, Douglas Pauls <
[log in to unmask]> wrote:

> Steve,
> In my experience they do.  We sometimes see the same thing, whether molded
> rubber or molded vinyl.
>
>
> Doug Pauls
> Principal Materials and Process Engineer
> Rockwell Collins
>
> On Tue, Apr 14, 2015 at 11:21 AM, Steve Gregory <[log in to unmask]>
> wrote:
>
>> Hi All,
>>
>> Just got some black ESD rubber masking boots for some blade terminals for
>> a
>> board that we dip in Humiseal 1A33, and noticed that there is shadowing
>> around the base of the terminals like something was repelling the coating
>> away from them, maybe some sort of mold release compound? Tried dipping
>> without the boots and we don't see the shadow. I got the boots to keep the
>> coating from getting on the terminals so that we weren't sitting there
>> with
>> a conformal coat removal pen cleaning the terminals up after we dipped the
>> boards.
>>
>> I called the manufacturer of the boots and asked about the issue, and he
>> said they would get back to me. Haven't heard anything yet. I'll try to
>> get
>> a picture that shows you what I'm talking about...
>>
>> Steve
>>
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>>
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