ASTM F1958 / F1958M - 12

    Standard Test Method for Determining the Ignitability of Non-flame-Resistant Materials for Clothing by Electric Arc Exposure Method Using Mannequins

    Active Standard ASTM F1958 / F1958M | Developed by Subcommittee: F18.65

    Book of Standards Volume: 10.03


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    Significance and Use

    5.1 This test method determines the ignitability of materials in single or multiple layers.

    5.1.1 Material performance shall be determined from the ignitability of the specimen(s) and shall be reported as a probability of ignition at various incident energy levels.

    5.1.2 Materials which meet the flame resistance requirements of Specification F1506 do not require testing by this test method unless the mechanism of passing Specification F1506 involves melting and escape from the flame source (for example, coated fabrics, certain rainwear fabrics).

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

    5.3 This test method specifies a standard set of exposure conditions. Different exposure conditions may produce different results. In addition to the standard set of exposure conditions, other conditions representative of the expected hazard may be used.

    1. Scope

    1.1 This test method is used to identify materials that are ignitable and that can continue to burn when exposed to an electric arc, and determines (a) the incident exposure energy that causes ignition, and (b) the probability of ignition.

    1.2 The specimens tested in this test method are materials fabricated in the form of shirts.

    1.3 This test method shall be used to measure and describe the properties of materials, products, or assemblies in response to convective and radiant energy generated by an electric arc under controlled laboratory conditions.

    1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    1.5 This standard shall 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 assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use.

    1.6 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 and health practices and determine the applicability of regulatory limitations prior to use.

    1.7 For specific precautions, see Section 7.


    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

    D4391 Terminology Relating to The Burning Behavior of Textiles

    F1494 Terminology Relating to Protective Clothing

    F1506 Performance Specification for Flame Resistant and Arc Rated Textile Materials for Wearing Apparel for Use by Electrical Workers Exposed to Momentary Electric Arc and Related Thermal Hazards

    F1959/F1959M Test Method for Determining the Arc Rating of Materials for Clothing


    ICS Code

    ICS Number Code 13.220.40 (Ignitability and burning behaviour of materials and products); 61.020 (Clothes)

    UNSPSC Code

    UNSPSC Code 46181500(Safety apparel)


    DOI: 10.1520/F1958_F1958M-12

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