PROXL Spectro Prime Black Aerosol (400ml)SPECTROPRIME is a premium colored primer-surfacer for fast spot priming under difficult covering topcoats, offering ultimate adhesion direct onto many difficult substrates including alloy, stainless steel, zintec and galvanise.Product BenefitsGreater topcoat opacityExcellent adhesion and anti-corrosive propertiesVery fast dryingExcellent smooth surface finish