1.1 本试验方法包括测定在24小时内从含有分散固体的粘性溶液或分散体（如油漆、搪瓷、着色漆、粘合剂、抛光剂和其他类似材料）中分离出的上层液体量。 注1: 本试验期间分离的澄清液体量是《联合国危险货物运输建议》中的标准之一 2. 将易燃粘性液体放入与闪点相关的包装组（参见 4.1 ). 1.2 以国际单位制表示的数值应视为标准。括号中给出的值仅供参考。 1.3 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 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《国际标准、指南和建议制定原则决定》中确立的国际公认标准化原则制定的。 =====意义和用途====== 4.1 联合国危险货物运输专家委员会在其建议的条例中规定闪点低于23 °C（73.5 °F）包装类别II。然而，如果粘性物质如油漆和相关涂料、粘合剂、抛光剂等满足某些要求，则可将其与闪点在23 °C和60.5 °C（73.5 °F和140 °F）。其中一项要求是少于3 % 当采用该试验方法时，从材料的大部分中分离出清澈液体。 4.2 目前，国际民用航空组织（ICAO）和国际海事组织（IMO）等大多数国际监管机构都使用联合国建议。预计大多数国家运输监管机构将采用联合国建议作为其危险材料运输管制条例。目前，根据国际海事组织和国际民航组织的规定，美国允许通过美国向其他国家转运危险材料。

1.1 This test method covers the determination of the amount of liquid separated as an upper layer in a 24-h period from viscous solutions or dispersions that contain dispersed solids such as paints, enamels, pigmented lacquers, adhesives, polishes, and other similar materials. Note 1: The amount of clear liquid that separates during this test is one of the criteria in the United Nations Recommendations on the Transportation of Dangerous Goods 2 for the placement of flammable viscous liquids into packing groups related to flash points (See 4.1 ). 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 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. ====== Significance And Use ====== 4.1 The United Nations Committee of Experts on the Transport of Dangerous Goods in their recommended regulations place materials having a flash point below 23 °C (73.5 °F) in Packing Group II. However, if viscous substances such as paint and related coatings, adhesives, polishes, etc., meet certain requirements, they can be placed in Group III along with materials having a flash point between 23 °C and 60.5 °C (73.5 °F and 140 °F). One of the requirements is that less than 3 % of clear liquid separates from the bulk of the material when subjected to this test method. 4.2 At the present time most international regulatory bodies such as the International Civil Aviation Organization (ICAO) and the International Maritime Organization (IMO) use the U.N. Recommendations. It is anticipated that most national transportation regulatory bodies will adopt the U.N. Recommendations as their regulations for control of transportation of hazardous materials. At present the United States permits the transshipment of hazardous materials through the United States to other countries under regulations of the IMO and ICAO.