Por 15
#6
Originally Posted by heretic' post='870513' date='May 5 2007, 08:50 AM
It's wonderful stuff, but you need to apply it to bare rusty metal. It actually works better on rusty metal than it does on clean or primed.
#8
Did a Porsche 914-6 blly in it. Flaked/peeled off within a month. It turns out we OVERPREPPED the metal.
POR-15 is isocyanate based (BAD TO BREATHE) and it cures in the presence of water. So, scrape the loose flakey stuff off and paint it. The trick is to completely cover the metal to encapsulate the moisture so the oxidation reaction that forms rust ceases to occur.
I prefer ZERO-RUST or RUST BULLET
POR-15 is isocyanate based (BAD TO BREATHE) and it cures in the presence of water. So, scrape the loose flakey stuff off and paint it. The trick is to completely cover the metal to encapsulate the moisture so the oxidation reaction that forms rust ceases to occur.
I prefer ZERO-RUST or RUST BULLET
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