SEM Trim or Rust Tough to paint for a bumper?

Transtar 2 in 1 Trim Black

Is it a bad idea to spray paint exterior plastic trim? : r/crv

I got my car detailed a couple weeks ago and now my black trim has greyed. Please help me restore it! : r/Detailing

Almost Chrome Aerosol Paint

SEM 39143 Trim Black Aerosol - 15 oz. : Automotive

SEM Trim Black vs Trim Black Euro Jet Satin vs EZ Coat - Ford Truck Enthusiasts Forums

Sold Individually Part number: 39143 Fit type: Universal Package Dimensions: 7.874 L x 22.86 H x 7.874 W (centimeters)

SEM 39143 Trim Black Aerosol - 15 oz.

Bumper & Trim Paint for Cars, Trucks, & SUVs

Has anyone spray painted their bumper?, Page 3