1.1 这些试验方法适用于平板、粘合和模制的柔性泡沫产品，即聚氨酯泡沫。聚氨酯泡沫通常定义为活性氢化合物、水和异氰酸酯相互作用产生的膨胀多孔产品。 1.2 本标准并非旨在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。 1.3 以国际单位制表示的数值应视为标准值。 注1: 本标准没有已知的ISO等效标准，但本标准中的某些测试方法具有类似或等效的ISO标准，并在各个测试方法章节的范围内列出。 ====意义和用途====== 5.1 测试程序提供了获取数据的标准方法，用于研究和开发、质量控制、规范下的验收和拒收以及特殊目的。 5.2 通过这些试验方法获得的数据适用于特定试验条件下的材料，并且不一定与在其他使用环境中获得的数据相同。

1.1 These test methods apply to slab, bonded, and molded flexible cellular products known as urethane foams. Urethane foam is generally defined as an expanded cellular product produced by the interaction of active hydrogen compounds, water, and isocyanates. 1.2 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. 1.3 The values stated in SI units are to be regarded as standard. Note 1: There is no known ISO equivalent to this standard, however certain test methods in this standard have similar or equivalent ISO standards and are listed in the scope of the individual test method sections. ====== Significance And Use ====== 5.1 The test procedures provide a standard method of obtaining data for research and development, quality control, acceptance and rejection under specifications, and special purposes. 5.2 The data obtained by these test methods are applicable to the material under conditions of the particular test and are not necessarily the same as obtained in other environments in use.