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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 in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents, therefore each system must be used independently of the other, without combining values in any way.

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.

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.

1.6 For specific precautions, see Section .

Significance and Use

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 F 1506 do not require testing by this test method unless the mechanism of passing Specification F 1506 involves melting and escape from the flame source (for example, coated fabrics, certain rainwear fabrics).

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

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.

Keywords

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

To find similar documents by ASTM Volume:

10.03 (Electrical Insulating Liquids and Gases; Electrical Protective Equipment)

To find similar documents by classification:

13.220.40 (Ignitability and burning behaviour of materials and products)

61.020 (Clothes Including underwear, nightwear, knitwear, military clothing, hosiery, etc. and their labelling and size coding schemes Medical garments, see 11.140 Protective clothing, see 13.340.10)

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