In a study organized by the former SSPC C.1.8 subcommittee on fluoropolymer coatings, thirteen different coatings systems (some fluoropolymer-based, some in other common chemistries) in specified white, blue, red, and gray colors were exposed up to 8000 hours in three accelerated weathering chamber tests according to ASTM G154 and D7869, on outdoor sunlight concentrators according to ASTM G90, and under natural conditions in south Florida. The chamber testing was completed during 2019 and the results informed development of SSPC Paint 47, published at the end of 2020. Ongoing outdoor testing continues, and three year exposure data is available. This paper will provide correlation data between the outdoor Florida exposures and the four accelerated tests conducted for the SSPC study.

Subject
Color change, Test methods, Coatings, Correlation, Natural weathering, Gloss, Gloss retention, Scatter, Color, Weathering, Accelerated weathering, Paints, Coating systems
Keywords:
accelerated weathering correlation topcoats industrial maintenance fluoropolymer
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2023
Association for Materials Protection and Performance (AMPP)
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