HI Brian.

We have had the same considerations. In our case, we only had a few
(10-15) small coated test speciments to cure. Not a production load !  So
you better have that in mind if trying our "method".

What worked for us, was using a rather simpel oven, with a "cup of water"
placed inside before and during the curing. We placed it inside for about 1
hour before the speciments, to get the oven air-space "filled" with water.

The results where pretty good, in terms of complete cure and cure speed.
Later we have found out, that cure speed aint an importent parameter for
us. So now a dayes, we dont use the water !!

Best regards
Lars Ladefoged Holm
Quality Engineering
Printca AS
Denmark.

>>> ETS <[log in to unmask]> 11-02-98 01.26 >>>
Hi Technetters,

I work for a company that manufactures Ovens for curing conformal
coatings
and recently we have received a few requests for ovens that can regulate
the
relative humidity inside the process cavity of the oven to approximately
50%. While researching this application we have found that the moisture
cure
is needed for some silicon coatings to activate or accelerate the cure.

What I am wondering is how much need their is in this market for such a
system. I don't think any other oven manufacturers offer such a system so I
am wondering what other people in the industry are currently doing to meet
this RH Requirement? Are they using a normal oven and modifying it
somehow
to meet these needs or ??? If you are currently using a moisture cure
conformal coating or are a manufacturer of conformal coatings I would love
your imput.

I can be contacted offline at <[log in to unmask]> (e-mail) or 509-483-0900
(voice).

Thank you,

Brian Stumm
ETS, LLC

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