1.1 本试验方法建立了一个小型实验室筛选程序，用于比较防护服中所用材料的耐燃性和燃烧特性，其中阻燃性不是防护服提供的主要防护形式。 1.1.1 当阻燃性是防护服提供的主要防护形式时，不得使用本试验方法。其他易燃性测试方法更适合于这些材料。 1. 1.2 本试验方法提供了一种方法，用于比较材料的易点燃性和燃烧行为，这些材料包括塑料或弹性薄膜、涂层织物、柔性层压板、多层材料系统或其他防护服材料，这些防护服材料不指定提供阻燃性作为其主要防护形式。 1.2 本试验方法用于测量和描述材料、产品或组件在受控条件下对热量和火焰的响应，但其本身并不包括在实际火灾条件下对材料、产品或组件进行火灾危险或火灾风险评估所需的所有因素。 1.3 火灾测试本身就很危险。在进行这些测试时，应采取适当的人员和财产保护措施。 1.4 以国际单位或其他单位表示的数值应单独视为标准。每个系统中规定的值不是精确的等价物；因此，每个系统必须相互独立使用。将两个系统的值合并可能会导致不符合标准。 1.5 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。 1.6 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 本试验方法旨在确定用于防护服的材料的耐燃性和燃烧特性，其中阻燃性不是指定的主要防护形式。 5.1.1 阻燃性是用于将身体部位与预期的火焰危险隔离的衣物的一种独特特性。指定用于与其他危险隔离的防护服（例如用于化学或生物保护的防护服）可能既不具有阻燃性，也不会将佩戴者与火焰危险隔离。 本试验方法可用于评估火焰冲击对防护服的影响，其中阻燃性不是防护的主要目标。 5.1.2 当阻燃性是防护服提供的主要保护时，可以使用替代试验方法。测试方法是一种有助于评估纺织品阻燃性的测试方法 D6413/D6413M . 分类索引 D4723 包含其他纺织品易燃性测试方法的说明和指南。 5.1.3 当外部材料表面暴露在火焰中时，本试验方法有助于确定用于非阻燃防护服的材料的耐燃性和燃烧特性。因此，它特别适用于由不同层组成的防护服材料，例如涂层织物、层压板或多层服装系统。 5.2 如果应用一个或另一个火焰应用暴露时间，则提供进行3秒或12秒暴露的替代程序。 可以选择较短或较长的单次暴露时间，以评估短期和长期火焰暴露条件下火焰冲击对材料的影响。 5.3 本试验方法中的数据与实际使用条件下防护服（不指定为阻燃型）的耐燃性和燃烧特性之间的相关性并不隐含。

1.1 This test method establishes a small-scale laboratory screening procedure for comparing the ignition resistance and burning characteristics of materials used in protective clothing where flame resistance is not the primary form of protection provided by the clothing. 1.1.1 This test method shall not be used in applications where flame resistance is the primary form of protection offered by the protective clothing. Other flammability test methods are more appropriate for those materials. 1.1.2 This test method provides a means for comparing ease of ignition and burning behavior of materials which include plastic or elastomeric films, coated fabrics, flexible laminates, multilayer material systems, or other protective clothing materials that are not designated for offering flame resistance as their primary form of protection. 1.2 This test method is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions. 1.3 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests. 1.4 The values stated in SI units or other units shall be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. 1.5 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. 1.6 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 This test method is intended to determine the ignition resistance and burning characteristics of materials used in protective clothing where flame resistance is not the primary form of protection designated. 5.1.1 Flame resistance is a distinctive property of clothing items designated for isolating parts of the body from anticipated flame hazards. It is possible that protective clothing designated for isolation from other hazards, such as those for chemical or biological protection, neither have flame resistance nor isolate the wearer from flame hazards. This test method can be used to evaluate the effects of flame impingement on protective clothing where flame resistance is not the primary objective of protection. 5.1.2 When flame resistance is the primary protection offered by the protective clothing, alternative test methods can be used. A test method that is useful for evaluating flame resistance of textiles is Test Method D6413/D6413M . Classification Index D4723 contains descriptions and guidance on other flammability test methods for textiles. 5.1.3 This test method is useful to determine the ignition resistance and burning characteristics of materials used in protective clothing not designated for flame resistance when the outer material surface is exposed to the flame. As such, it is particularly suited to protective clothing materials that are composed of different layers such as coated fabrics, laminates, or multilayer clothing systems. 5.2 Alternative procedures for conducting either a 3-s or 12-s exposure are provided where one or the other flame application exposure times are applied. The choice of either the shorter or longer single exposure time is provided to permit an assessment of the effects for flame impingement on materials under short-term and long-term flame exposure conditions. 5.3 Correlation of data from this test method with the ignition resistance and burning characteristics of protective clothing (not designated for flame resistance) under actual use conditions is not implied.