ASTM D 3771 - 15 Standard Specification for Rubber Seals Used in Concentrating Solar Collectors

Current edition approved June 1, 2015. Published August 2015. Originally approved in 1979. Last previous edition approved in 2007 as D3771 – 03 (2007). — 4 p.
This specification covers the general requirements for materials used in rubber seals of concentrating solar collectors. Particular applications may necessitate other requirements that would take precedence over these requirements when specified.
Design requirement pertains only to permissible deflections of the rubber during thermal expansion or contraction of the seal in use and the tolerances in dimensions of molded and extruded seals.
This specification does not include requirements pertaining to the fabrication or installation of the seals.