Exterior surfaces of the water tank and the interior "dry" surfaces (the mechanical room which houses all the electrical equipment, pumps, feed lines, and ladders) received a single
primer coat of Corothane[R] I Mio-Zinc Primer at five to six mils wet film thickness.
Three-coat systems incorporate a
primer coat, an intermediate coat, and a finish coat.
CR was bonded to grit blasted steel with four adhesive systems: In-house adhesives A and C, CH 205
primer coated with CH 250, and the three coat system of CH AP134/CH 205/CH 220.
section of infrared heaters was placed after the first spray booth for force-drying the water-based
primer coat.
Each bumper is then transported into the drying room where a turnkey ACI air drying system is used to blow residue water off before the bumpers go through the paint process - a
primer coat, a colour coat and a final clear gloss coat.
Prior to converting to the conductive GTX material, the mirror housing required a conductive
primer coat to be applied to all surfaces including body mount areas to ensure grounding, as well as a second, manually applied "bridge" coat of color, according to UTA technical manager Ron Hendricks.
* The
primer coat contains a carefully chosen and blended combination of resins and unusually hard materials, permitting a far higher percentage of special reinforcing elements than other reinforced coatings contain.
The product was developed for use on metal pans and assemblies as either a protective
primer coat to be later top-coated or as a standalone coating.