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Significance and Use
5.1 A material which does not exhibit any evidence of burning as defined herein under the conditions of the test procedure may be classified as Flammability Degree of Hazard Zero material (F=0) provided other properties of the material are not such as to require a higher degree of classification.
1.1 This test method covers a means for the discrimination between solid and liquid materials which will not burn in air when exposed to a temperature of 1500 °F (815.5 °C) for a period of 5 min and those which will ignite and burn under the same conditions.
1.2 This test method may be applied to any substance which is a solid or liquid at ambient temperature and pressure.
1.3 The purpose of this test method is to provide a means for the classification of the flammability hazard of materials of hazard degrees (F=0) and (F =1) or both, in accordance with the definitions of degrees of flammability hazard as defined by NFPA 704 (par. 3.2.1).
1.4 This test method should be used subject to the limitations that no single fire hazard property such as flash point, ignition temperature, or the performance under the conditions of the present method shall be used to describe or appraise the fire hazard or fire risk of a material, product, assembly or system under actual fire conditions. Fire hazard properties measured under controlled laboratory conditions may, nevertheless, be employed to describe properly the response of materials, products, assemblies or systems under said controlled conditions. Properties measured under controlled laboratory conditions may be used as elements of hazard or risk assessment only when such assessment takes into account all of the factors that are pertinent to the evolution of the fire hazard of a given situation.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.6 This standard is used to predict or provide a quantitative measure of the fire hazard from a specified set of fire conditions involving specific materials, products, or assemblies. This assessment does not necessarily predict the hazard of actual fires which involve conditions other than those assumed in the analysis.
1.7 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
NFPA StandardsNFPA 704
ICS Number Code 13.220.50 (Fire-resistance of building materials and elements)
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ASTM D6668-01(2016), Standard Test Method for Discrimination Between Flammability Ratings of F = 0