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Outdoor Aging of Adhesive Sealants
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1971 by SAE International in United States
Annotation ability available
Aging of adhesive sealants such as polysulfides and silicones is usually restricted to accelerated aging in ovens and other laboratory environments. A need for extended aging under actual outdoor conditions has long existed. This report describes the results of five-year aging tests on five different types of polysulfide and silicone adhesive sealants under various environments, including semi-arid and marine type outdoor aging sites. These are compared to oven aging and ambient shelf aging results. Data on continuous exposure for twelve months to high humidity with cycling temperatures is also included. The results indicate that a marine climate is the worst exposure condition. The results also show that a manganese peroxide cured to polysulfide is more sensitive to a marine climate than is a lead peroxide cured polysulfide.
CitationDeLollis, N. and Montoya, O., "Outdoor Aging of Adhesive Sealants," SAE Technical Paper 710266, 1971, https://doi.org/10.4271/710266.
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