[Healeys] 1959 100-6

[David Porter]

Typically the isocyanates are in the hardener not the base substrate..
dave
On 7/31/2014 10:46 AM, sentenac.rw at gmail.com wrote:
> On Thu, 31 Jul 2014 09:30:20 -0400, you wrote:
>
> I just checked again to be sure.  PPG epoxy primers do not have
> isocyanates.  Other PPG primers DO but not the epoxy primers.  I have
> used PPG epoxy primers over ten years, both the older DP40 and the
> newer stuff.  Both are good base coats next to bare metal, and can be
> a seal coat over the (sanded) filling primers.  Old PPG primers like
> Kondar are just thinned with laquer thinner and no hardener.  But the
> new primer-surfacer stuff is hardened with isocyanates.
>
> The only thing about PPG epoxy primer is that if you don't cover it
> with other primer or top coat within something like a week you have to
> sand and recoat the epoxy before you cover it.  But for amateur
> restorers having a very rust resistant coating on metal is worth the
> hassle when it comes time months later to finish the painting job.
>
> -Roland
>
> On Thu, 31 Jul 2014 09:30:20 -0400, you wrote:
>
>> The PPG DP primers are great, but they don't come without risk for the
>> do-it-yourselfer.  Like other epoxy paints, they contain isocyanates, which
>> are poisonous.  A normal face respirator isn't sufficient protection and
>> they have a cumulative effect that can actually coat the inside of your
>> lungs.  I've known a few painters who've had to quit the profession as
>> they've been told further exposure would kill them.  The manufactures
>> recommend a full face fresh air supplied respirator as well as full body
>> protection for application.  Google "*Questions and Answers About the Safe
>> Use* of.
>> *Isocyanates" to go to the PPG fact sheet.  *
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/frogeye@porterscustom.com
>
>
>

-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/