It's all in the prep work. A good foundation to lay it on is the key to durability. It calls for sanding with 240-320, but i always sand with 60-100 to get the maximum amount of tooth for the coating to bite. It's easy to touch up though, i chipped my bumper because I rushed it, so i took a wire brush to the spot and some surrounding bedliner and then re sprayed and its holding well.
I know first hand, the raptor liner is an excellent product. A maintenance Foreman at the strip mine I used to work at done his company truck in it. It's held up for 2 years, exposed to the elements, constantly being beaten with mud, rock, coal, coal dirt, fuel, and any other chemical you can think of. His hasn't chipped the first time. And his truck is put through more hell than anybody is going to do to their own.
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