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POR 15

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Eddie G.

Joined: 03 Nov 2006
Posts: 15
Location: Los Angeles, CA

Posted: Thu Dec 14, 2006 6:15 pm Post subject: POR 15

Has anybody used POR 15 as a primer sealer or tested it against other corrosion proofings? 



Thanx..



Eddie

(Trying to build a 601XL)

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dougsnash(at)yahoo.com
Guest

Posted: Fri Dec 15, 2006 4:20 am Post subject: POR 15

Eddie, I have only had very limited exposure to the

POR-15 product line when I was playing with antique

cars.  The trick to POR-15 is the phosphoric acid

metal prep you put on the rusted steel to neutralize

the rust and give the coating some bite to the steel

before applying the top coat.  



I tried two starter kits on a car I was restoring. 

I'm not sure if I used them correctly or not but was

not really that impressed with the results.  I've seen

the hype at car shows so that is why I think I may

have been misusing the product.  It did not work any

better than good quality enamel paint.



As for using it with aluminum, I cannot comment.  Is

there a new POR-15 product designed for use with

aluminum?  If you are thinking of using the Automotive

products on aluminum, I would think they would be a

bit on the heavy side for aviation use.  



If you were thinking of using it to coat the steel

components such as the engine mount, my concern would

be that supposedly the POR-15 is very resistant to

cracks (I'm not sure on this point) but this feature

could possibly hide a developing crack in the

underlying metal.  Other than that, I suspect it would

work well.  Powder coating would probably be better

for this application though.



Hope these opinions help a little.



do not archive



Doug MacDonald

CH-701 Scratch builder

NW Ontario, Canada



 

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Eddie G.

Joined: 03 Nov 2006
Posts: 15
Location: Los Angeles, CA

Posted: Fri Dec 15, 2006 3:39 pm Post subject: Re: POR 15

I was looking for an interior primer sealer for where the parts contact each other and for under/around the rivets. Something that won't come off later with Corrosion X. I am not convinced self etching pirmers are good sealers since they are porous and may collect moisture. Not sure about Cortec or similar primers. And I don't want to deal with things like Alodine since part of the plane will be built in my spare bedroom.



I'll try some engine paint on a test sheet and see how they hold up. They have been sticking good on my aluminum water pump so far.



Thanx.

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pacificpainting(at)comcas
Guest

Posted: Fri Dec 15, 2006 6:30 pm Post subject: POR 15

Get a can of Zinc Chromate and a brush. Look inside the wing of an older 

plane that was primed. They don't usually have much if any corrosion.



---

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