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Re: [oletrucks] Paint Primer

To: Tom3600@webtv.net, little-castle-contracting@cadvision.com
Subject: Re: [oletrucks] Paint Primer
From: Passnb4U@aol.com
Date: Sun, 16 Apr 2000 15:29:25 EDT
In a message dated 4/16/00 12:25:50 PM Pacific Daylight Time, 
Tom3600@webtv.net writes:

>  I know a little bit about paint and primers having been in the paint
>  business for over 40 yrs.  For 10 of those years I was in the R&D lab
>  developing corrosion resistant primers for John Deere and Caterpillar
>  Tractor.
>  The no. 1 thing to consider before any primer is METAL PREPARATION!  The
>  surface must be rust free, oil free, dirt free, etc.  You must put some
>  kind of phosphate on the metal whether it be iron or zinc.   There are
>  lots of products  available for this just ask your local paint dealer or
>  bodyshop what product they recommend.  The reason you need this is that
>  it will give you rust prevention and promote adhesion of the primer.
>  Actually some slight flash rusting is good and will be present on the
>  surface after the phosphatizing procedure.    Todays primers do not
>  contain lead or zinc anymore for several obvious reasons. This means
>  that the primers available today are strictly to fill in the surface of
>  the metal and give you adhesion of the topcoat and do not prevent
>  corrosion any more than the topcoat.
>  Consider this your Primer primer.  Do not hesitate to contact me with
>  any of your metal finishing questions.
>  -
>  Tom Poterack
>  '49 Chevy 3600

  HI Tom,

  I've always wondered something about the phosphating process.....after 
applying it, then letting it "cure", what type of prep do you recommend?  i/e 
just wet rag wipe and air dry, or resanding?


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