Mark is right; POR 15 can be used right over the rust. To eliminate the
pitted appearance, scuff the POR 15 and apply a thin layer of Dura-Glass
filler. Sand smooth and apply the POR 15 tie coat and paint whatever your
desired base color is.
It'll look really nice.
JR
----- Original Message -----
From: "Mark and Kathy" <mgtrcars@galaxyinternet.net>
To: <healeys@autox.team.net>
Sent: Sunday, October 23, 2005 9:21 AM
Subject: Re: RUSTY SEAT - ACID
> Scotty , What acid wash did you use. Navel Jelly ? Por 15
> recommends THEIR phosphoric acid solution and their marine clean prewash
> if there is any oils or lubricants on the metals. Their phosphoric acid
> did start to neutralize for me as soon as I hit it with some water to wash
> it off. Then as soon as it dried to a white finish it was ready for the
> Por 15 coating.
>
> In reality you can actually put the Por 15 right on the rusted metal after
> a good wire brushing and dusting. A couple of coats of the black semi
> gloss gave me a rock hard surface. But you need to keep it out of sun
> light unless you put their "top coat" on it.
>
> The way I read the companies instructions ( and trust me I read them
> several times cause you get different ideas from the instruction sheet as
> compared to the sides of the cans, pretty confusing really), was that
> the acid wash is really for smoother , non rusted metal to give it the
> "etched" surface that the paint coat needs to bond. With the rusted
> surface the paint already has an "etched" surface to bond to.
>
> So any way to answer your question, your on your own using another
> companies etching product but if I were you once the pans dry from the
> water wash you should be good to go. Sounds like the pans will be "good
> and etched" once your ready for the paint coat.
>
> Also with this stuff moisture is not a real problem cause they claim that
> it sets up best in high moisture situations. Go figure!
>
> Good Luck, Mark
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