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Description of ASTM-F2731 2024ASTM F2731-24Active Standard: Standard Test Method for Measuring the Transmitted and Stored Energy of Firefighter Protective Clothing SystemsASTM F2731Scope 1.1 This test method uses one of two procedures to measure: (1) heat energy, which can be directly transmitted through the multilayer structure without compressive force, that can result in predicted burn injury, or (2) heat energy directly transmitted through the multilayer structure, followed by applying a compressive force, which rapidly releases stored heat energy in the multilayer structure that can result in a predicted burn injury. 1.1.1 This test method is applicable only to protective clothing systems that are suitable for exposure to heat and flames. 1.1.2 Flame resistance of the material system shall be determined prior to testing according to the applicable performance or specification standard, or both, for the material’s end use. 1.2 This test method establishes procedures for moisture preconditioning of firefighter protective clothing material systems. 1.3 The second-degree burn injury prediction used in this standard is based on a limited number of experiments on forearms of human subjects. 1.3.1 The length of exposures needed to generate a second-degree burn injury in this test method exceeds the exposure times found in the limited number of experiments on human forearms. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are mathematical conversions to English units or other units commonly used for thermal testing. 1.5 This standard is used to measure and describe the properties of materials, products, or assemblies in response to radiant heat under controlled laboratory 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. 1.6 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. Specific precautionary information is found in Section 7. 1.7 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. Keywords firefighters; material systems; protective clothing; radiant heat; second-degree burn injury; stored energy; transmitted energy; ICS Code ICS Number Code 13.340.10 (Protective clothing) DOI: 10.1520/F2731-24 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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