The OP here....I did call the manufacturer of the product, System X, and we spoke a good long while regarding the product and how it works. It would adhere to any RV product surface, doesn't have to be a painted surface like a car.
He did recommend specific product in their lineup that would work for my truck camper.
What turned out strange was he wanted to contact the RV Service Dept. that was going to apply the product and make sure that is what they were using. When he contacted the Service Manager he said he could not remember what they used....hmmmm
I contacted the Service Manager a few minutes later and he asked " Did you call the System X people?" I had an appointment to get the camper detailed the following day, he then tells me that they are pretty busy and will call me when they can get me in.
I have not heard back from him in almost a week now, I think the phone call from System X freaked him out.
I'm looking for another place to the the camper rubbed out and waxed!