Quote:
Originally Posted by ChrisHamilton
If you do end up blasting something, crushed glass is always my first choice. Coal slag next. Both are very affordable and somewhat easy to find. Northern Tool carries both. Tractor Supply has coal slag IIRC. Sand is never a good choice due to the amount of free silica in it which is not good for you to inhale.
Best thing you can use to inhibit rust is a quality epoxy primer. SPI (Southern Polyurethanes) makes one of the best available. Stay away from POR-15 and other "rust encapsulating" products, they don't truly inhibit rust and moisture can continue to wick in between the POR15 and the metal. Which leads to more rust. I've had clients who applied POR-15 at some point before bringing me their vehicle and where shocked at what the metal looked like after I removed the POR-15. A good quality epoxy primer like SPI's is the best thing you can use on bare metal and will provide many, many years of protection.
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Like the knowledge, it might be a challenge to get everthing to bare metal in the recess of the rear fender by the doors. As such, I'm thinking maybe a rust attacking-inhibiting paint might be okay. Or are these just snake oil? Hum, I guess the paint I ordered is fortified with epoxies, so it might suit me well.
Thanks for sharing your wisdom, knowledge is always appreciated.