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Need honest opinions.
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Steve_S
Yoda
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Actually that's semi-gloss, still wet. It looks similar to the photo above that one when dry, but a little more glossy. I buy all my POR from All Car Parts in Canoga Park, CA. They are a major supplier for much of the country and they stock British car parts as well (and know what they all are), so I like giving them business. You can also order from the POR15 web site.
It can go on bare metal and light surface rust. The instructions say that light surface rust is actually better than bare metal for adhesion. The advantage of POR15 other than it's incredible durability is that it bonds to the metal. If you actually manage to scratch through the stuff, which is difficult, any rust that forms on the exposed metal will be unable to travel beyond the scratch because it can't get between the metal and the POR15.
They also sell a phosphoric acid solution called Metal Ready which you are supposed to prep the surface with first, then rinse with water. At that time you will see flash rust occur, and this is desirable. Here is a shot of the YB tank above, just after rinsing off the Metal Ready.
Notice the silver bare metal in the first shot. Now notice the rust colored metal in the second shot. This is what happens as the surface dries. I used a shot with a brass tag in it for color comparison.
It can go on bare metal and light surface rust. The instructions say that light surface rust is actually better than bare metal for adhesion. The advantage of POR15 other than it's incredible durability is that it bonds to the metal. If you actually manage to scratch through the stuff, which is difficult, any rust that forms on the exposed metal will be unable to travel beyond the scratch because it can't get between the metal and the POR15.
They also sell a phosphoric acid solution called Metal Ready which you are supposed to prep the surface with first, then rinse with water. At that time you will see flash rust occur, and this is desirable. Here is a shot of the YB tank above, just after rinsing off the Metal Ready.
Notice the silver bare metal in the first shot. Now notice the rust colored metal in the second shot. This is what happens as the surface dries. I used a shot with a brass tag in it for color comparison.
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tony barnhill
Great Pumpkin - R.I.P
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<div class="ubbcode-block"><div class="ubbcode-header">Quote:]Metal Ready which you are supposed to prep the surface with first[/QUOTE]
Also good stuff to prep a stripped car body with before primer....especially if you use a chemical stripper (don't ask me how I know, just believe it...)
Also good stuff to prep a stripped car body with before primer....especially if you use a chemical stripper (don't ask me how I know, just believe it...)
tony barnhill
Great Pumpkin - R.I.P
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I didn't use anything on a VW Bug I stripped using aircraft paint stripper except washing it off & priming it....paint never held - I actually took it to a car wash months later & when I hit it with high pressure water, some of the paint actually flew off!...I then stripped it again & washed it with metal ready & immediately sprayed it with primer...paint took & body was still beautiful (& rust free!) years later when I sold it!
Steve_S
Yoda
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<div class="ubbcode-block"><div class="ubbcode-header">Quote:]But in the case of the body, wouldn't the metal ready start the rusting process? Isn't that a bad thing?[/QUOTE]
I would think so.
Edit: Tony, did you just wipe the metal ready off, or rinse with water? I'm very surprised that primer would adhere with traces of phosphoric acid on the metal. And I don't see how you would prevent flash rust if you rinsed with water! Please elaborate.
I would think so.
Edit: Tony, did you just wipe the metal ready off, or rinse with water? I'm very surprised that primer would adhere with traces of phosphoric acid on the metal. And I don't see how you would prevent flash rust if you rinsed with water! Please elaborate.
tony barnhill
Great Pumpkin - R.I.P
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<div class="ubbcode-block"><div class="ubbcode-header">Quote:]Edit: Tony, did you just wipe the metal ready off, or rinse with water? I'm very surprised that primer would adhere with traces of phosphoric acid on the metal. And I don't see how you would prevent flash rust if you rinsed with water! Please elaborate. [/QUOTE]
This was years ago; however, as I recall, the first time I stripped the body with with aircraft stripper, washed body with water, let dry & primed...paint fell off
Second time, I stripped with aircraft stripper, washed with metal ready, cleaned with paint reducer & primed...paint held.
This was years ago; however, as I recall, the first time I stripped the body with with aircraft stripper, washed body with water, let dry & primed...paint fell off
Second time, I stripped with aircraft stripper, washed with metal ready, cleaned with paint reducer & primed...paint held.