For years, a three-layer system consisting of an organic or inorganic zinc-rich primer, epoxy intermediate coat, and polyurethane finish coat has been the traditional coating technique used by a coating service in Dallas for steel bridges. Each layer provides a particular corrosion protection mechanism. Since then, advances in coating resin technology have increased painting efficiency, allowing the adoption of high-build, two-coat polyaspartic urethane (PAS) coating systems to reduce the number of coating layers from three to two.
Compared to conventional coating systems, polyaspartic coatings have a number of benefits in terms of their application and physical properties. These benefits include a rapid curing time combined with a manageable pot life.
Higher Film Thickness
Polyaspartic coatings may be applied by companies such as 1 Priority Coating and Bridge Painting at greater dry film thicknesses than other types. The greater film build tolerance of PAS coatings enables a more forgiving application when painting complex geometries, provides better edge retention, and reduces the number of coats required to provide substantial corrosion protection. These benefits are all made possible by the coatings’ ability to withstand higher temperatures.
Enhanced Protection
It is possible to achieve color and gloss retention with polyaspartics that is comparable to that of polyurethane systems used by a reputable coating service in Dallas. It has been shown that using PAS coatings, which offer the advantages mentioned above in terms of their properties, may boost painting production and cut down on project costs, all without compromising corrosion protection.
