1.1 这些测试方法涵盖了-30范围内的闪点测试程序 °C至300 °C，石油产品和生物柴油液体燃料，使用小型闭杯测试仪。这些程序可用于确定产品是否会在指定温度下闪蒸（闪蒸/不闪蒸方法a）或样品的闪点（方法B）。当与电子热闪点检测器结合使用时，这些测试方法也适用于脂肪酸甲酯（FAME）等生物柴油的闪点测试。 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 本标准应用于测量和描述材料、产品或组件在受控实验室条件下对热和火焰的响应特性，不应用于描述或评估材料、产品或组件在实际火灾条件下的火灾危险或火灾风险。然而，该测试结果可作为火灾风险评估的要素，该评估考虑了与特定最终用途火灾危险评估相关的所有因素。 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。 警告语句贯穿始终。另请参阅测试产品的材料安全数据表。 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。 ====意义和用途====== 5.1 闪点测量受控实验室条件下试样对热源和点火源的响应。这只是评估材料整体易燃性危险时必须考虑的众多特性之一。 5.2 运输和安全法规中使用闪点来定义 易燃的 和 易燃的 并对其进行分类。有关这些类别的精确定义，请参阅相关的特定法规。 5.3 闪点可以表示在相对不挥发或不易燃的材料中可能存在高挥发性和易燃材料。 5.4 这些试验方法使用较小的样品（2 mL到4 mL）和更短的测试时间（1 最小值至2 min）比传统测试方法。 5.5 方法A、IP 524和EN ISO 3680是闪光无闪光试验的类似方法。方法B、IP 523和EN ISO 3679是测定闪点的类似方法。

1.1 These test methods cover procedures for flash point tests, within the range of –30 °C to 300 °C, of petroleum products and biodiesel liquid fuels, using a small scale closed cup tester. The procedures may be used to determine, whether a product will or will not flash at a specified temperature (flash/no flash Method A) or the flash point of a sample (Method B). When used in conjunction with an electronic thermal flash detector, these test methods are also suitable for flash point tests on biodiesels such as fatty acid methyl esters (FAME). 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 should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use. 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. Warning statements appear throughout. See also the Material Safety Data Sheets for the product being tested. 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. ====== Significance And Use ====== 5.1 Flash point measures the response of the test specimen to heat and ignition source under controlled laboratory conditions. It is only one of a number of properties that must be considered in assessing the overall flammability hazard of a material. 5.2 Flash point is used in shipping and safety regulations to define flammable and combustible materials and classify them. Consult the particular regulation involved for precise definitions of these classes. 5.3 Flash point can indicate the possible presence of highly volatile and flammable materials in a relatively nonvolatile or nonflammable material. 5.4 These test methods use a smaller sample (2 mL to 4 mL) and a shorter test time (1 min to 2 min) than traditional test methods. 5.5 Method A, IP 524 and EN ISO 3680 are similar methods for flash no-flash tests. Method B, IP 523 and EN ISO 3679 are similar methods for flash point determination.