Re[5]: Leaking Windshields -- disagree!

[jadney@vwtype3.org (Melissa & Jim)]

>From: Toby Erkson <Toby_Erkson@ccm2.hf.intel.com>

>In Jim's reply to my request he did agreed that the paint was allowed to dry 
>before items were placed upon the vehicle.  However, the suggestion of the 
holes
>used for paint drainage was in his initial message.  I was trying to drive the 
>point home that the holes were not used for this purpose since there were 
others
>who believed that the paint drainage was a logical idea.  Sheesh!

I still think they are paint drain holes, but I should change the word paint 
to primer.  It appears that we have a consensus that the bodies were dipped 
in something at some point.  Given the fact that there are pockets that form 
low points there, we need some way of draining those pockets when the bodies 
come out of the bath.  Of course, we must admit that we don't really know 
what orientation the bodies were in as they came out.

>As for the dipping:  I'd be willing to bet the farm it is a primer coating and 
>it's for covering the entire car 

Assuming you mean the body (without the pan) we are in complete agreement.

-- primer is thinner than paint and would flow 
>off the vehicle much more smoothly and fill many more gaps. 

The viscosity of both primer and paint depends on the type and the 
application. It is adjusted differently depending on how it is to be used: 
brush, std spray, electrostatic, HVLP, dip.  Used to be an art; now becoming 
a science with all the attention that volatiles are getting these days.

 The paint is 
>sprayed on.  As we know many auto manufacturers use this process.

Agreed.  Just out of curiosity, I wonder if it is possible to do a good 
looking automotive paint job by dip alone.  Anyone know if this is done?

  Larry is 
>correct about the paint surviving the heat but I'd be hard pressed to think 
that
>there isn't primer in the channels.  

I'm also surprised that Larry thinks there is no paint/primer inside, but I 
think the paint/whatever would survive the temp.  65 deg C is really not 
that hot for paint.

Jim
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       Melissa Kepner                                    Jim Adney
       jadney@vwtype3.org              jadney@vwtype3.org
                             Laura Kepner-Adney
                             Madison, Wisconsin
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