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Reply To: | TechNet E-Mail Forum. |
Date: | Wed, 29 Jan 2003 13:52:11 -0500 |
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We use them frequently and have no problems with them dissolving completely in our Westek aqueous cleaner.
"Kane, Joseph" wrote:
> Anyone had success using wash-away spacers during wave-soldering, then
> removing them by aqueous cleaning? We're looking at them mostly to
> control standoff of transistor cans and vertically-mounted resistors.
>
> Looking at the Bivar catalog, spacers come in two types, normal and
> "effervescent", which dissolve more quickly.
>
> Do they wash away completely? Leave any residue that affects conformal
> coat adhesion? Any problems with the materials reacting with the wash
> chemistry, either saponifier or alcohol based?
>
> Joe Kane
> BAE SYSTEMS Controls
> Johnson City, NY
>
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