ASTM F2702 - 15

    Standard Test Method for Radiant Heat Performance of Flame Resistant Clothing Materials with Burn Injury Prediction

    Active Standard ASTM F2702 | Developed by Subcommittee: F23.80

    Book of Standards Volume: 11.03

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    Significance and Use

    5.1 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.

    5.2 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.

    5.3 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.

    5.4 This test method maintains the specimen in a static, vertical position and does not involve movement except that resulting from the exposure procedure.

    5.5 This test method specifies two standard sets of exposure conditions, 21 kW/m2 (0.5 cal/cm2s) and 84 kW/m2 (2.0 cal/cm2s). 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 1: The determination of a textile material’s flame resistance shall be made prior to testing and done according to the applicable performance or specification standard, or both, 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.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    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 Numbered

    ICS Code

    ICS Number Code 13.220.40 (Ignitability and burning behaviour of materials and products); 13.340.10 (Protective clothing)

    UNSPSC Code

    UNSPSC Code 46181500(Safety apparel)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/F2702-15

    Citation Format

    ASTM F2702-15, Standard Test Method for Radiant Heat Performance of Flame Resistant Clothing Materials with Burn Injury Prediction, ASTM International, West Conshohocken, PA, 2015,

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