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Description of ASTM-F2702 2008ASTM F2702 - 08Standard Test Method for Radiant Heat Performance of Flame Resistant Clothing Materials with Burn Injury PredictionActive Standard ASTM F2702 | Developed by Subcommittee: F23.80 Book of Standards Volume: 11.03 ASTM F2702Significance and Use This test method is intended for the determination of the radiant heat performance value of a material, a combination of materials, or a comparison of different materials used in flame resistant clothing for workers exposed to radiant thermal hazards. This test method evaluates a material s heat transfer properties when exposed to a heat exposure at a constant value and systematically varied durations. Air movement at the face of the specimen and around the calorimeter can affect the measured heat transferred due to forced convective heat losses. Minimizing air movement around the specimen and test apparatus will aid in the repeatability of the results. This test method accounts for the thermal energy contained in the exposed test specimen after the radiant heat exposure has ceased. Higher values of Radiant Heat Performance rating determined in this test associate to higher values of radiant energy protection against a predicted skin burn injury. This test method maintains the specimen in a static, vertical position and does not involve movement except that resulting from the exposure procedure. This test method specifies two standard sets of exposure conditions, 21 kW/m 2 (0.5 cal/cm 2 s) and 84 kW/m 2 (2.0 cal/cm 2 s). Either can be used. 5.5.1 If a different set of exposure conditions is used, it is likely that different results will be obtained. 5.5.2 The optional use of other conditions representative of the expected hazard, in addition to the standard set of exposure conditions, is permitted. However, the exposure conditions used must be reported with the results along with a determination of the exposure energy level stability. 1. Scope 1.1 This test method measures thermal protective characteristics of flame resistant textile materials subjected to a standardized radiant heat exposure relative to a predicted second-degree skin burn injury. 1.1.1 This test method is not applicable to textile materials that are not flame resistant. Note 1The determination of a textile material s flame resistance shall be made prior to testing and done according to the applicable performance and/or specification standard for the textile material s end-use. 1.1.2 This test method accounts for the thermal energy contained in an exposed test specimen after the standardized radiant heat exposure has ceased. 1.2 This test method is used to measure and describe the response of materials, products, or assemblies to heat 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 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound or other units that are commonly used for thermal testing. 1.4 This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards D123 Terminology Relating to Textiles D1776 Practice for Conditioning and Testing Textiles D1777 Test Method for Thickness of Textile Materials D3776 Test Methods for Mass Per Unit Area (Weight) of Fabric D4157 Test Method for Abrasion Resistance of Textile Fabrics (Oscillatory Cylinder Method) E457 Test Method for Measuring Heat-Transfer Rate Using a Thermal Capacitance (Slug) Calorimeter F1494 Terminology Relating to Protective Clothing Other Standards CCC-C-419 Federal Specification for Cloth, Duck, Unbleached, Plied-Yarns, Army and NumberedKeywords apparel; protective clothing; radiant heat protection; radiant heat performance, flame resistance; ICS Code ICS Number Code 13.220.40 (Ignitability and burning behaviour of materials and products); 13.340.10 (Protective clothing) DOI: 10.1520/F2702-08 ASTM International is a member of CrossRef. ASTM F2702The 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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