Credits SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 SSc7.1 This is the organization that sets the testing standards for material heat emissivity and reflectance that help determine a material’s SRI. Resource type Organizations Link http://www.astm.org/Standard/index.shtml