1.1 本规范涵盖了各种工业中非关键应用（如油漆剥离配方）通常需要的二氯甲烷等级。购买者或制定内部二氯甲烷回收计划的人员可将其用作参考文件。 1.2 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers the grade of methylene chloride typically needed in various industries for noncritical applications, such as in paint stripping formulations. It may be used as a reference document by purchasers or by persons establishing in-house methylene chloride recovery programs. 1.2 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.