1.1 本规范涵盖了太阳能系统中与循环液体接触的预制橡胶密封件所用材料的一般要求。特殊应用可能需要其他要求，这些要求在规定时优先于这些要求。 1.2 本规范不包括与密封件的设计、制造或安装有关的要求。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers the general requirements for materials used in preformed rubber seals that contact the circulating liquid in solar energy systems. Particular applications may necessitate other requirements that would take precedence over these requirements when specified. 1.2 This specification does not include requirements pertaining to the design, fabrication, or installation of the seals. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.