Stop in for a cup of coffee

So, after I paint the chassis on the Charger, would I use Slip Plate or Fluid Film to help with the salt at Bonneville?
https://www.amazon.com/Ez-Slide-Graphite-Coating-1-Quart-Rb-9512/dp/B000I1E7NW?tag=fabo03-20I've used this under a lawn mower and the grass washes off easily...think I got it at Farm n Fleet.