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This fire-test-response standard determines fire properties related to piloted ignition of a vertically oriented specimen exposed to an external graduated radiant heat flux as shown in Fig. 1. This test method provides data suitable for comparing the performance of materials, which are used as the exposed surfaces of walls or other vertically orientated products in construction applications.
Formerly under the jurisdiction of Committee E05 on Fire Standards and E05.21 on Smoke and Combustion Products, this practice was withdrawn with no replacement in July 2011 because this method is not being used and there are no laboratories in North America that have the apparatus needed to run this test. ASTM E2405 was developed at a time when the test method was one of the methods under consideration for adoption in the EU. Since the EU decided to go with the Single Burning Item test, the interest in the method described in ASTM E2405 disappeared. The standard is up for renewal and it is preferable to have it withdrawn rather than letting it lapse.
1.1 This fire-test-response standard determines fire properties related to piloted ignition of a vertically oriented specimen exposed to an external graduated radiant heat flux as shown in . This test method provides data suitable for comparing the performance of materials, which are used as the exposed surfaces of walls or other vertically orientated products in construction applications.Note 1
This test method has been prepared to closely follow the test procedure of ISO 5658-4, however with additional provisions for heat release and smoke development measurements that are optional.
1.2 The fire characteristics determined by this test method include time-to-ignition, vertical flame spread rate and lateral flame spread rate. Optional measurements include heat release rates and visible smoke development rates.
1.3 The optional heat release rate is determined by the principle of oxygen consumption calorimetry, via measurement of the oxygen consumption as determined by the oxygen concentration and flow rate in the exhaust product stream (exhaust duct).
1.4 The values stated in SI units are to be regarded as the standard.
1.5 This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame 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.
1.6 Fire testing of products and materials is inherently hazardous, and adequate safeguards for personnel and property shall be employed in conducting these tests. This test method may involve hazardous materials, operations, and equipment. Specific information about hazard is given in Section .
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.
E176 Terminology of Fire Standards
E2257 Test Method for Room Fire Test of Wall and Ceiling Materials and Assemblies
ISO StandardsISO/TR 14697 Fire Tests--Guidance Rules for the Choice of Substrates for Building Products
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ASTM E2405-05, Standard Test Method for Determination of Fire and Thermal Parameters of Materials Using an Intermediate Scale Test with Vertically Oriented Specimen (Withdrawn 2011), ASTM International, West Conshohocken, PA, 2005, www.astm.orgBack to Top