Can I use ChassisCoat Black instead and get the same rust protection?
A. No. You can use ChassisCoat Black on bare steel and get rust protection, but not hing like POR-15 Rust Preventive Paint, which penetrates into the pores of the metal and chemically bonds with the surface. Use ChassisCoat Black over POR-15 to get the best possible protection. Q. Come on now! I’ve put ChassisCoat Black on bare steel and have gotten a terrific bond. It sure looks as good as a POR-15 coating on bare metal or steel. Isn’t is just possible you’re only trying to sell me another can of paint? A. Absolutely not! Side-by-side panels were tested under a variety of conditions, and POR-15 was shown to be clearly superior in preventing oxidation and corrosion. Try it yourself and you’ll see. Though ChassisCoat Black will easily out-perform other coatings on bare steel, it’s greatest value and best use is as a topcoat over POR-15 Rust Preventive Paint. We don’t classify it as a rust-preventive coating except in its use as a non-porous topcoat made to keep moisture from penetrating
