1.1本规范涵盖了三种类型的砂浆水泥，用于需要砌筑砂浆的地方。 1.2以国际单位制表示的数值应视为标准。 1.3本标准无意解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。

1.1 This specification covers three types of mortar cement for use where mortar for masonry is required. 1.2 The values stated in SI units are to be regarded as the standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.