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ASTM E 1623 : 2022 : REV A

Current
Current

The latest, up-to-date edition.

Standard Test Method for Determination of Fire and Thermal Parameters of Materials, Products, and Systems Using an Intermediate Scale Calorimeter (ICAL)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-07-2022

1.1This fire-test-response standard assesses the response of materials, products, and assemblies to controlled levels of radiant heat exposure with or without an external ignitor.

1.2The fire-test-response characteristics determined by this test method include the ignitability, heat release rates, mass loss rates, visible smoke development, and gas release of materials, products, and assemblies under well ventilated conditions.

1.3This test method is also suitable for determining many of the parameters or values needed as input for computer fire models. Examples of these values include effective heat of combustion, surface temperature, ignition temperature, and emissivity.

1.4This test method is also intended to provide information about other fire parameters such as thermal conductivity, specific heat, radiative and convective heat transfer coefficients, flame radiation factor, air entrainment rates, flame temperatures, minimum surface temperatures for upward and downward flame spread, heat of gasification, nondimensional heat of gasification (1)2 and the Φ flame spread parameter (see Test Method E1321). While some studies have indicated that this test method is suitable for determining these fire parameters, insufficient testing and research have been done to justify inclusion of the corresponding testing and calculating procedures.

1.5The 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). The procedure is specified in 11.1. Smoke development is quantified by measuring the obscuration of light by the combustion product stream (exhaust duct).

1.6Specimens are exposed to a constant heat flux in the range of 0 to 50 kW/m2 in a vertical orientation. Hot wires are used to ignite the combustible vapors from the specimen during the ignition and heat release tests. The assessment of the parameters associated with flame spread requires the use of line burners instead of hot wire ignitors.

1.6.1Heat release measurements at low heat flux levels (< 10 kW/m2) require special considerations as described in Section A1.1.6.

1.7This test method has been developed for evaluations, design, or research and development of materials, products, or assemblies, for mathematical fire modeling, or for research and development. The specimen shall be tested in thicknesses and configurations representative of actual end product or system uses.

1.8Limitations of the test method are listed in Section 5.5.

1.9The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.10This 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.

1.11Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests. Specific information about hazards is given in Section 7.

1.12This 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.

1.13This 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.

Committee
E 05
DocumentType
Test Method
Pages
24
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM E 1591 : 2020 Standard Guide for Obtaining Data for Fire Growth Models
ASTM E 3048 : 2022 : REV A Standard Test Method for Determination of Time to Burn-Through Using the Intermediate Scale Calorimeter (ICAL) Radiant Panel
ASTM E 2058 : 2019 Standard Test Methods for Measurement of Material Flammability Using a Fire Propagation Apparatus (FPA)
ASTM E 2102 : 2021 Standard Test Method for Measurement of Mass Loss and Ignitability for Screening Purposes Using a Conical Radiant Heater
ASTM E 176 : 2021 : REV A : EDT 1 Standard Terminology of Fire Standards
ASTM E 2067 : 2022 Standard Practice for Full-Scale Oxygen Consumption Calorimetry Fire Tests
ASTM E 2061 : 2020 Standard Guide for Fire Hazard Assessment of Rail Transportation Vehicles
ASTM E 3020 : 2022 Standard Practice for Ignition Sources

ASTM E 84 : 2023 : REV D Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E 603 : 2023 Standard Guide for Room Fire Experiments
ASTM E 84 : 2023 : REV C Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E 84 : 2023 Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E 176 : 2024 Standard Terminology of Fire Standards
ASTM E 84 : 2022 Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E 691 : 2023 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2022 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 1354 : 2022 : REV C Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
ASTM E 1354 : 2023 Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
ASTM E 603 : 2017 Standard Guide for Room Fire Experiments
ASTM E 84 : 2023 : REV B Standard Test Method for Surface Burning Characteristics of Building Materials
ASTM E 84 : 2023 : REV A Standard Test Method for Surface Burning Characteristics of Building Materials

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