Materials Performance

AUG 2018

Materials Performance is the world's most widely circulated magazine dedicated to corrosion prevention and control. MP provides information about the latest corrosion control technologies and practical applications for every industry and environment.

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53 MATERIALS PERFORMANCE: VOL. 57, NO. 8 AUGUST 2018 Continued f rom page 51 COATINGS & LININGS ESSENTIALS thickeners and dispersant for protection from additional rusting. e coating can be applied to rusted or poorly prepared steel surfaces where further corrosion protection is required, and where good surface prepa- ration is difficult to achieve. It can be applied at temperatures ranging from 55 to 100 °F (13 to 38 °C) and in environments with hydrochloric acid (HCl), hydrogen sul- fide (H 2 S), sulfur dioxide (SO 2 ), and carbon dioxide (CO 2 ) vapors. It dries within hours and can be topcoated with either water- based or solvent-based coatings. After curing, the coated rebar has equal or better bond strength to concrete. In salt- spray testing conducted using ASTM B117- 16, "Standard Practice for Operating Salt Spray (Fog) Apparatus," the primer provided over 1,000 h of corrosion protection on pre- viously rusted steel parts. Similar corrosion-inhibiting primer technologies have been used for the con- struction and rehabilitation of other famous buildings around the world, includ- ing the Empire State Building (New York, New York, USA), the Pentagon (Arlington, Virginia, USA), and the Burj Khalifa (Dubai, United Arab Emirates), known as the world's tallest building. e water tower, long seen as one of the most famous symbols of the city's suffering during the war's Battle of Vukovar, will not be restored to its original function. Instead, it will become a memorial site. Source: Cortec Corp., www.cortecvci.com. After rust and scale were mechanically removed, the rust-converting primer was applied to the heavily corroded metal surfaces of the water tower. Photo courtesy of Cortec.

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