Glass beading occasionally leaves the part with a static charge (static cling) that only water will break. Wash the part in soap and water, rinse in clean water then blow dry.
Wash with Dawn, rinse, dry with compressed air and paint.
1968 GTX hardtop 1968 Sport Satellite Convertible 383/4spd 1933 Plymouth coupe 2002 Ram 2500 oil burner 4x4 2015 Grand Cherokee 2013 Challenger 1957 Chrysler Saratoga