not in rattle cans, but epoxy primer is what you need - could also use something like Zero Rust, which is good protection, can be sanded later and considered as a sealer prime coat

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot