Question on using Appliance Epoxy Spray Paint

I have a variety of candy's I want to restore away from a yellowed plastic state. Currently I am restoring a Net City. I am just curious. Do I sand and primer the plastic before using this stuff, or just throw it right on there?

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I need HELP!!. Painting a stove black..I first used RUSTOLEUM. appliance epoxy but it didnt leave a glossy finish . Initially I didn't sand the surface which was a mistake. I lightly

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Rust-Oleum Appliance Gloss Stainless Steel Spray Paint (NET WT. 12-oz) in the Spray Paint department at