Undercoating In A Can Black Wax Coating is a rust preventative/rust-proofing sealant. It is a wax based coating that is cutback with a solvent that assists in a quicker drying time than you would normally find with similar coatings that are cutback with water.
Undercoating In A Can Black Wax Coating is designed to provide the ultimate protection for the under-body of automobiles, trucks, trailers and other transportation equipment. This is a black wax product that will become firm and dry to the touch but will not become hard.
The benefit of this type of pliable self-healing coating is that it provides outstanding chip resistance. It is also a "Rust Encapsulating" coating which mean it can be applied over light rust and will stop further deterioration.
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Black Wax spray can
This is what I have been looking for, this product is as described, our order arrived today sprayed on a piece of cardboard for a trial this will do the coating on frames after repair and panels also.