1.1 本规范涵盖了印刷或以其他方式装饰以实现图案或视觉效果并由透明耐磨层保护的异种聚氨酯板地板的化合物和物理特性的要求。 1.2 本规范涵盖由粘合剂、填料和颜料组成的异种聚氨酯板地板。粘合剂应由一种或多种聚氨酯树脂、聚氨酯共聚物或其他合适或任何理想的组合组成。如果粘合剂的聚氨酯部分在基层中大于60%，则可以将其他合适的聚合树脂作为粘合剂的一部分加入。 1.3 以英寸-磅为单位的数值应视为标准值。 括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.4 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、健康和环境实践，并确定监管限制的适用性。 1.5 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 requirements for the compound and physical characteristics of heterogeneous polyurethane sheet flooring that is printed or otherwise decorated to achieve a pattern or visual and protected by a clear wear layer. 1.2 This specification covers heterogeneous polyurethane sheet flooring that shall be composed of binder, fillers, and pigments. The binder shall consist of one or more resins of polyurethane, polyurethane copolymers or other suitable or any desirable combination. Other suitable polymeric resins may be incorporated as part of the binder, provided the polyurethane portion of the binder is greater than 60 % in the base layer. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 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.