1.1 本规范涵盖了适用于注塑和挤出的增塑乙基纤维素热塑性化合物的要求。它不包括用于特殊应用的特殊复合材料。 1.2 以国际单位制表示的数值应视为标准值。给出的英文值仅供参考。 1.3 以下预防说明仅适用于测试方法部分第节 9 符合本规范的要求。 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。 注1: 没有已知的ISO等效于本规范。 1.4 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 requirements for plasticized ethyl cellulose thermoplastic compounds suitable for injection molding and extrusion. It does not include special materials compounded for special applications. 1.2 The values stated in SI units are to be regarded as standard. The English values given are for information only. 1.3 The following precautionary statement pertains only to the Test Methods portion, Section 9 of this specification. 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. Note 1: There is no known ISO equivalent to this specification. 1.4 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.