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Significance and Use
5.1 This test method is used primarily to determine the time to burn-through and the time to ignition of materials, products, and assemblies.
5.2 Representative joints and other characteristics of an assembly shall be included in a specimen when these details are part of normal design.
5.3 This test method is applicable to end-use products not having an ideally planar external surface. The heat flux shall be adjusted to be that which is desired at the average distance of the surface from the radiant panel.
5.4 In this procedure, the specimens are subjected to one or more specific sets of laboratory test conditions. If different test conditions are substituted or the end-use conditions are changed, it is not always possible by or from this test to predict changes in the fire-test-response characteristics measured. Therefore, the results are valid only for the fire test exposure conditions described in this procedure.
5.5 Representative materials and thicknesses shall be included in a specimen when these details are part of normal design.
5.6 This method can also be used for research and development of various material types to be included in larger-scale fire test assemblies (for example, Test Methods ).
5.7 Test Limitations:
5.7.1 The test results have limited validity if: (a) the specimen melts sufficiently to overflow the drip tray, or (b) explosive spalling occurs.
5.7.2 Report observations of specimens that sag, deform, or delaminate.
1.1 This fire-test-response test method assesses the response of materials, products, and assemblies to controlled levels of heat flux with an external igniter.
1.2 The fire-test-response characteristics determined by this test method include the ignitability and time to burn-through of materials, products, and assemblies under well ventilated conditions.
1.3 Heat, smoke, and mass loss rate are not within the scope of this test method, but are addressed by Test Method .
1.3.1 This test method uses the same burner as that described in Test Method . Two burner types are described (Burner A and Burner B).
1.4 Specimens are exposed to a constant heat flux up to 50 kW/m2 in a vertical orientation. Hot wires are used to ignite the combustible vapors from the specimen.
1.5 This test method has been developed for evaluations, design, or research and development of materials, products, or assemblies, or for code compliance. The specimen shall be tested in thicknesses and configurations representative of actual end product or system uses.
1.6 Limitations of the test method are listed in .
1.7 This test method 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.
1.8 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.
1.9 The values stated in SI units are to be regarded as standard.
1.10 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific information about hazards is given in Section .
1.11 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E119 Test Methods for Fire Tests of Building Construction and Materials
E176 Terminology of Fire Standards
E603 Guide for Room Fire Experiments
E906/E906M Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using a Thermopile Method
E1354 Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
E1623 Test Method for Determination of Fire and Thermal Parameters of Materials, Products, and Systems Using an Intermediate Scale Calorimeter (ICAL)
ICS Number Code 13.220.40 (Ignitability and burning behaviour of materials and products)
UNSPSC Code 41112201(Calorimeters)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM E3048-19a, Standard Test Method for Determination of Time to Burn-Through Using the Intermediate Scale Calorimeter (ICAL) Radiant Panel, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top