[R-390] Re: [R390] Epoxy Paint toughness

[Terry H. Burroughs]

Dave

I recommend you trash the Krylon brand paint, or use it on some of your =
outdoor patio furniture, etc...
I recommend using only a professional brand automotive coating such as =
Sherwin-Williams, Dittzler, etc...
Also go with a "lacquer" coating of your color choice.  "Beware" - =
lacquers and enamels don't mix.  Lacquer should go over the =
zinc-chromate o.k., if the zinc has some age on it.  Even enamel based =
zinc-chromate coatings tend to dry hard enough that lacquers will not =
harm them - but I recommend using a seal coat over the zinc first.  It =
is best to be sure.   A "very" light coat of lacquer primer over the =
zinc should be enough to do the job, if you don't use a sealer.  Be sure =
to remove all the old enamel coating - and I mean all.  Any traces of a =
fresh enamel coating will wrinkle and cook under the lacquer coat, as =
you are applying it.  Usually, the off the shelf type paints, such as =
you used, will never dry or harden.  You gets what you pays =
for......This is why I recommend going with the professional brand =
materials.  Experiment with the lacquer.  I think you will like it.  You =
won't have to heat it, and should age to glass like hardness in a week =
or so.  Let me know if I can help further.

Terry Burroughs.

 =20


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