Standard Test Method for Discrimination Between Flammability Ratings of F = 0 and F = 1
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 1500oF (815.5oC) 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 shall be regarded as the standard. The SI values given in parenthesis are provided for information only.
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.
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