quick question after media blasting

slammed57

Newbie
Hey all, I have my truck cab getting professionally media blasted with a silica based product this week. Do I have to sand with 80 grit before epoxy or just epoxy over it? I saw a sample of the metal surface after blasting and looks to have plenty of texture for the epoxy to bite into
 
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If you use paper towels with the cleaner, it's a good idea to blow it off with an air hose while wiping it with a piece of scotchbright. Paper towel giblets will be stuck all over the surface.
 
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