Performance Assessment of Hazardous Air Pollutant (HAP)???Free Chemical Paint Strippers on Military Coatings for Validation to Federal Specification TT-R-2918A

Report No. ARL-TN-0742
Authors: Lindsey Blohm; Alicia Farrell; John Kelley
Date/Pages: March 2016; 22 pages
Abstract: The US Army Research Laboratory was tasked with evaluating hazardous air pollutant (HAP)–free alternative paint strippers for validation to Federal Specification TT-R-2918A. One of the major obstacles in finding suitable "drop-in" replacements for methylene chloride is that most HAP-free products have been known to have slower paint removal times. Strip time and performance are important considerations in high-volume operations. The results presented in this report represent the performance of the HAP-free strippers versus a control formula remover in accordance with procedures outlined in Federal Specification TT-R-2918A on both Navy and Army coating systems. The results indicate that some of the alternative strippers performed well compared with the control and the methylene-chloride-based product. One product had performance comparable to that of methylene chloride, removing nearly 100% of all paint layers from the test panels. Depending on the stripping application and coating systems, some of the products tested are considered viable alternatives to methylene chloride strippers.
Distribution: Approved for public release
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Last Update / Reviewed: March 1, 2016