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ASTM E3020-15

(Practice)

Standard Practice for Ignition Sources

Standard Practice for Ignition Sources

SIGNIFICANCE AND USE
5.1 A variety of standard test methods, specifications, and regulations have been issued by a number of different standards developing organizations and regulatory authorities that contain ignition sources used to assess fire-test-response characteristics associated with flaming and non-flaming ignition. This practice describes such ignition sources and provides information on the standard method in which they are described.  
5.2 The ignition source to be chosen for any specific use needs to be relevant to the fire hazard associated with the intended application. Neither the scope of the standard containing the ignition source nor any other aspect of the standard has any bearing on the use of the ignition source for another application.  
5.3 This practice is not expected to be a fully comprehensive list of ignition sources. If additional ignition sources are identified they can be added to the practice.  
5.4 This practice does not describe test specimen preparation or detailed testing procedures for the materials or products.  
5.5 This practice does not address limitations associated with the ignition sources described in this practice.  
5.6 This practice does not necessarily address the latest edition of any standard referenced.
SCOPE
1.1 This practice describes a series of ignition sources that have been used and that are potentially applicable to assessing fire-test-response characteristics resulting from the ignition of materials, products, or assemblies.  
1.2 This practice does not identify which of the ignition sources described is applicable to any specific use since that is a function of the associated fire hazard (see also 5.2).  
1.3 This practice is not necessarily comprehensive and it is possible that other applicable ignition sources exist (see also 5.3).  
1.4 This practice describes both flaming and non-flaming ignition sources, since the outcome of a non-flaming ignition can be the eventual flaming ignition of these materials or products (see also 4.2).  
1.5 This practice does not provide pass/fail criteria that can be used as a regulatory tool.  
1.6 This fire standard cannot be used to provide quantitative measures.  
1.7 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
1.8 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.  
1.9 This practice contains notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered requirements of the standard.  
1.10 The values stated in SI units are to be regarded as standard in referee decisions. No other units of measurement are included in this standard. See IEEE/ASTM SI 10 for further details.  
1.11 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.

General Information

Status
Historical
Publication Date
31-Jul-2015
ICS
13.220.40 - Ignitability and burning behaviour of materials and products
Technical Committee
E05 - Fire Standards
Drafting Committee
E05.33 - Fire Safety Engineering
Current Stage
Ref Project

Relations

Replaced By
ASTM E3020-16 - Standard Practice for Ignition Sources
Effective Date
01-Jun-2016
Referred By
ASTM D5537-23a - Standard Test Method for Heat Release, Flame Spread, Smoke Obscuration, and Mass Loss Testing of Insulating Materials Contained in Electrical or Optical Fiber Cables When Burning in a Vertical Cable Tray Configuration
Effective Date
01-Aug-2015
Referred By
ASTM F1870-22 - Standard Guide for Selection of Fire Test Methods for the Assessment of Upholstered Furnishings in Detention and Correctional Facilities
Effective Date
01-Aug-2015
Referred By
ASTM D3874-20 - Standard Test Method for Ignition of Materials by Hot Wire Sources
Effective Date
01-Aug-2015

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ASTM E3020-15 - Standard Practice for Ignition Sources
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E3020 − 15
StandardPractice for
1
Ignition Sources
This standard is issued under the fixed designation E3020; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.11 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 This practice describes a series of ignition sources that
responsibility of the user of this standard to establish appro-
have been used and that are potentially applicable to assessing
priate safety and health practices and determine the applica-
fire-test-response characteristics resulting from the ignition of
bility of regulatory limitations prior to use.
materials, products, or assemblies.
1.2 This practice does not identify which of the ignition
2. Referenced Documents
sources described is applicable to any specific use since that is
2
2.1 ASTM Standards:
a function of the associated fire hazard (see also 5.2).
D635Test Method for Rate of Burning and/or Extent and
1.3 This practice is not necessarily comprehensive and it is
Time of Burning of Plastics in a Horizontal Position
possible that other applicable ignition sources exist (see also
D1929Test Method for Determining Ignition Temperature
5.3).
of Plastics
D3874Test Method for Ignition of Materials by Hot Wire
1.4 This practice describes both flaming and non-flaming
Sources
ignition sources, since the outcome of a non-flaming ignition
D5025Specification for Laboratory Burner Used for Small-
can be the eventual flaming ignition of these materials or
Scale Burning Tests on Plastic Materials
products (see also 4.2).
D5207Practice for Confirmation of 20–mm (50–W) and
1.5 This practice does not provide pass/fail criteria that can
125–mm (500–W) Test Flames for Small-Scale Burning
be used as a regulatory tool.
Tests on Plastic Materials
1.6 Thisfirestandardcannotbeusedtoprovidequantitative
D5424Test Method for Smoke Obscuration of Insulating
measures.
Materials Contained in Electrical or Optical Fiber Cables
When Burning in a Vertical Cable Tray Configuration
1.7 Fire testing is inherently hazardous. Adequate safe-
D5537TestMethodforHeatRelease,FlameSpread,Smoke
guards for personnel and property shall be employed in
Obscuration, and Mass Loss Testing of Insulating Mate-
conducting these tests.
rialsContainedinElectricalorOpticalFiberCablesWhen
1.8 This standard is used to measure and describe the
Burning in a Vertical Cable Tray Configuration
responseofmaterials,products,orassembliestoheatandflame
D6194Test Method for Glow-Wire Ignition of Materials
under controlled conditions, but does not by itself incorporate
E84Test Method for Surface Burning Characteristics of
allfactorsrequiredforfirehazardorfireriskassessmentofthe
Building Materials
materials, products, or assemblies under actual fire conditions.
E136Test Method for Behavior of Materials in a Vertical
1.9 This practice contains notes and footnotes which pro- Tube Furnace at 750°C
vide explanatory material. These notes and footnotes (exclud-
E176Terminology of Fire Standards
ing those in tables and figures) shall not be considered E662Test Method for Specific Optical Density of Smoke
requirements of the standard.
Generated by Solid Materials
E906/E906MTest Method for Heat and Visible Smoke
1.10 The values stated in SI units are to be regarded as
Release Rates for Materials and Products Using a Ther-
standard in referee decisions. No other units of measurement
mopile Method
areincludedinthisstandard.SeeIEEE/ASTMSI10forfurther
E1321Test Method for Determining Material Ignition and
details.
Flame Spread Properties
1
This practice is under the jurisdiction of ASTM Committee E05 on Fire
2
Standards and is the direct responsibility of Subcommittee E05.33 on Fire Safety For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Engineering. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Aug. 1, 2015. Published September 2015. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E3020–15 the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E3020 − 15
E1352Test Method for Cigarette Ignition Resistance of Release Rate of Low Flammability Mattresses and Mat-
Mock-Up Upholstered Furniture Assemblies tress Sets
E1353Test Methods for Cigarette Ignition Resistance of ISO 13943Fire Safety—Vocabulary
Components of Upholstered Furniture
2.4 International Electrotechnical Commission (IEC) Sta
...

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SIGNIFICANCE AND USE
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1.1 These test methods cover fire-test-response.  
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1.4.1 The performance of the fire-resistive barrier system constructed with components other than those tested.  
1.4.2 An evaluation of the functionality of the electrical system within the fire-resistive barrier system.  
1.4.3 An evaluation of the ampacity of the electrical system within the fire-resistive barrier system.  
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1.4.5 A measurement of the flame spread characteristics over the surface of the fire-resistive barrier system.  
1.4.6 An evaluation of through-penetration sealing methods.
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1.4.9 Environmental conditions in the area of service.  
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ASTM E2748-23(Guide)
Standard Guide for Fire-Resistance Experiments

SIGNIFICANCE AND USE
4.1 The methods and procedures set forth in this guide relate to the conduct and reporting of fire-resistance tests obtained from particular fire-resistance tested specimens tested using conditions different than those addressed by Test Methods E119.  
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ASTM E1590-23(Test Method)
Standard Test Method for Fire Testing of Mattresses

SIGNIFICANCE AND USE
5.1 This test method provides a means of measuring a variety of fire-test-response characteristics resulting from burning a test specimen, mattress or mattress with foundation. After ignition using a propane gas burner, the test specimen is permitted to burn freely under well-ventilated conditions. The most important fire-test-response characteristic measured in this test method is the rate of heat release, which quantifies the intensity of the fire generated.  
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1.1 This is a fire-test-response standard.  
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1.6 The rate of heat release of burning test specimen is measured by an oxygen consumption method. See 5.12.4 for further information.  
1.7 Other measurements are the production of light-obscuring smoke and the concentrations of certain toxic gas species in the combustion gases. See 5.12.5 for further information.  
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ASTM E3048-22a(Test Method)
Standard Test Method for Determination of Time to Burn-Through Using the Intermediate Scale Calorimeter (ICAL) Radiant Panel

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.  
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5.5 Representative materials and thicknesses shall be included in a specimen when these details are part of normal design.  
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5.7 Test Limitations:  
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5.7.2 Report observations of specimens that sag, deform, or delaminate.
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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.  
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1.3.1 This test method uses the same burner as that described in Test Method E1623. 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 5.7.  
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.  
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ASTM E2965-22a(Test Method)
Standard Test Method for Determination of Low Levels of Heat Release Rate for Materials and Products Using an Oxygen Consumption Calorimeter

SIGNIFICANCE AND USE
5.1 This test method is used primarily to determine the heat evolved in, or contributed to, a fire involving materials or products that emit low levels of heat release. The recommended use for this test method is for materials with a total heat release rate measured of less than 10 MJ over the first 20 min test period, and which do not give peak heat release rates of more than 200 kW/m2 for periods extending more than 10 s. Also included is a determination of the effective heat of combustion, mass loss rate, the time to sustained flaming, and (optionally) smoke production. These properties are determined on small size test specimens that are representative of those in the intended end use.  
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SCOPE
1.1 This fire-test-response standard provides a procedure for measuring the response of materials that emit low levels of heat release when exposed to controlled levels of radiant heating with or without an external igniter.  
1.2 This test method differs from Test Method E1354 in that it prescribes a different specific test specimen size, specimen holder, test specimen orientation, a direct connection between the plenum and the top plate of the cone heater assembly to ensure complete collection of all the combustion gases (Fig. 1), and a lower volumetric flow rate for analyses via oxygen consumption calorimetry. It is intended for use on materials and products that contain only small amounts of combustible ingredients or components, such as test specimens that yield a peak heat release of 2 and total heat release of 2.
Note 1: PMMA is typically used to check the general operation of a Cone Calorimeter. PMMA should not be used with this standard as the heat release rate is too high.  
1.3 The rate of heat release is determined by measurement of the oxygen consumption as determined by the oxygen concentration and the flow rate in the exhaust product stream. The effective heat of combustion is determined from a concomitant measurement of test specimen mass loss rate, in combination with the heat release rate. Smoke development (an optional measurement) is measured by obscuration of light by the combustion product stream.  
1.4 Test specimens shall be exposed to initial test heat fluxes generated by a conical radiant heater. External ignition, when used, shall be by electric spark. The test specimen testing orientation is horizontal, independent of whether the end-use application involves a horizontal or a vertical orientation.  
1.5 Ignitability is determined as a measurement of time from initial exposure to time of sustained flaming.  
1.6 This test method has been developed for use for material and product evaluations, mathematical modeling, design purposes, and development and research. Examples of material test specimens include portions of an end-use product or the various components used in the end-use product.  
1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.8 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.  
1.9 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
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ASTM E1474-22(Test Method)
Standard Test Method for Determining the Heat Release Rate of Upholstered Furniture and Mattress Components or Composites Using a Bench Scale Oxygen Consumption Calorimeter

SIGNIFICANCE AND USE
5.1 This test method is used to determine the time to sustained flaming and heat release of materials and composites exposed to a prescribed initial test heat flux in the cone calorimeter apparatus.  
5.2 Quantitative heat release measurements provide information that can be used for upholstery and mattress product designs and product development.  
5.3 Heat release measurements provide useful information for product development by yielding a quantitative measure of specific changes in fire performance caused by component and composite modifications. Heat release data from this test method will not be predictive of product behavior if the product does not spread flame over its surface under the fire exposure conditions of interest.  
5.4 Test Limitations—The test data are invalid if either of the following conditions occur: (1) explosive spalling; or (2) the specimen swells sufficiently prior to ignition to touch the spark plug, or the specimen swells up to the plane of the heater base during combustion.
SCOPE
1.1 This fire-test-response test method can be used to determine the ignitability and heat release from the composites of contract, institutional, or high-risk occupancy upholstered furniture or mattresses using a bench scale oxygen consumption calorimeter.  
1.2 This test method provides for measurement of the time to sustained flaming, heat release rate, peak and total heat release, and effective heat of combustion at a constant initial test heat flux of 35 kW/m2. This test method is also suitable to obtain heat release data at different heat fluxes. The specimen is oriented horizontally, and a spark ignition source is used.  
1.3 The times to sustained flaming, heat release, and effective heat of combustion are determined using the apparatus and procedures described in Test Method E1354.  
1.4 The tests are performed on bench-scale specimens combining the furniture or mattress outer layer components. Frame elements are not included.  
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.6 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.  
1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 6.  
1.8 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
1.9 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.

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ASTM
ASTM E1537-22(Test Method)
Standard Test Method for Fire Testing of Upholstered Furniture

SIGNIFICANCE AND USE
5.1 This test method provides a means to measure a variety of fire-test-response characteristics resulting from burning a specimen of upholstered furniture. The upholstered furniture specimen is allowed to burn freely under well-ventilated conditions after ignition using a propane gas burner. The most important fire-test-response characteristic measured is the rate of heat release, which quantifies the intensity of the fire generated.  
5.2 The rate of heat release is measured by the principle of oxygen consumption. The assumptions and limitations of oxygen depletion calorimetry are discussed in Annex A4, and in particular in A4.1.2.  
5.3 Other fire-test-response characteristics are measured, namely smoke obscuration and combustion gas release, as they are also important in making decisions on fire safety.  
5.4 The most important gaseous components of smoke are the carbon oxides, present in all fires. They are indicators of the toxicity of the atmosphere and of the completeness of combustion. Measurement of concentrations of carbon oxides are useful for two purposes: as part of fire hazard assessment calculations and to improve the accuracy of heat release measurements. Other toxic combustion gases, which are specific to certain materials, are less crucial for determining combustion completeness and are optional measures, but fire hazard assessment often requires their measurement.  
5.5 The type of ignition chosen (a flaming source) is common in both accidental and intentional fires in public occupancies. This test method is thus applicable to upholstered furniture in public occupancies. Such facilities include, but are not limited to, jails, prisons, nursing care homes, health care facilities, public auditoriums, hotels, and motels.  
5.6 It has been shown that if the gas burner is used at a flow rate of 13 L/min for 80 s (equivalent to 19.3 kW), as is the case in California Technical Bulletin (CA TB) 133, it approximates the ignition propensity of five cru...
SCOPE
1.1 This is a fire-test-response standard.  
1.2 The purpose of this test method is to determine the burning behavior of upholstered furniture used in public occupancies by measuring specific fire-test responses when the specimen of furniture is subjected to a specified flaming ignition source under well-ventilated conditions.  
1.3 Data are obtained describing the burning behavior from a specific ignition source until all burning has ceased, a period of 1 h has elapsed, or flashover appears inevitable.  
1.4 This test method does not provide information on the fire performance of upholstered furniture in fire conditions other than those conditions specified. In particular, this test method does not apply to smoldering ignition by cigarettes. See X1.6 for further information.  
1.5 The rate of heat release of the burning specimen is measured by an oxygen consumption method. See X1.6.4 for further information.  
1.6 The production of light obscuring smoke is measured and the concentrations of certain toxic gas species in the combustion gases are determined. See X1.6.5 for further information.  
1.7 The burning behavior is visually documented by photographic or video recordings, whenever possible.  
1.8 The system of units to be used in referee decisions is the SI system of units, see IEEE/ASTM SI-10 only. The units given in parentheses are for information only.  
1.9 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.  
1.10 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
1.11 This standard does not purport to address all of the safety concerns, if any, associated with its us...

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ASTM
ASTM E3020-22(Practice)
Standard Practice for Ignition Sources

SIGNIFICANCE AND USE
5.1 A variety of standard test methods, specifications, and regulations have been issued by a number of different standards developing organizations and regulatory authorities that contain ignition sources used to assess fire-test-response characteristics associated with flaming and non-flaming ignition. This practice describes such ignition sources and provides information on the standard method in which they are described.  
5.2 The ignition source to be chosen for any specific use needs to be relevant to the fire hazard associated with the intended application. Neither the scope of the standard containing the ignition source nor any other aspect of the standard has any bearing on the use of the ignition source for another application.  
5.3 This practice is not expected to be a fully comprehensive list of ignition sources. If additional ignition sources are identified they can be added to the practice.  
5.4 This practice does not describe test specimen preparation or detailed testing procedures for the materials or products.  
5.5 This practice does not address limitations associated with the ignition sources described in this practice.  
5.6 This practice does not necessarily address the latest edition of any standard referenced.
SCOPE
1.1 This practice describes a series of ignition sources that have been used and that are potentially applicable to assessing fire-test-response characteristics resulting from the ignition of materials, products, or assemblies.  
1.2 This practice does not identify which of the ignition sources described is applicable to any specific use since that is a function of the associated fire hazard (see also 5.2).  
1.3 This practice is not necessarily comprehensive and it is possible that other applicable ignition sources exist (see also 5.3).  
1.4 This practice describes both flaming and non-flaming ignition sources, since the outcome of a non-flaming ignition can be the eventual flaming ignition of these materials or products (see also 4.2).  
1.5 This practice does not provide pass/fail criteria that can be used as a regulatory tool.  
1.6 This fire standard cannot be used to provide quantitative measures.  
1.7 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
1.8 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.  
1.9 This practice contains notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered requirements of the standard.  
1.10 The values stated in SI units are to be regarded as standard in referee decisions. No other units of measurement are included in this standard. See IEEE/ASTM SI 10 for further details.  
1.11 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.  
1.12 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.

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ASTM
ASTM E2032-21(Practice)
Standard Practice for Extension of Data From Fire Resistance Tests Conducted in Accordance with ASTM E 119

SIGNIFICANCE AND USE
4.1 The methods and procedures set forth in this practice relate to the extension of the fire resistance ratings obtained from particular fire tested specimens to constructions that have not been tested.  
4.2 Users of this practice must have knowledge and understanding of the provisions of Test Method E119 including those pertaining to conditions of acceptance.  
4.3 In order to apply some of the principles described in this practice, reference to the original fire test report will be necessary.  
4.4 In Test Method E119, the specimens are subjected to specific laboratory fire test exposure conditions. Substitution of different test conditions or changes in the end use conditions have the ability to change the measured fire-test-response characteristics. Therefore, the extensions of data are valid only for the fire test exposure conditions described in Test Method E119,.
SCOPE
1.1 This practice covers the extension of fire resistance ratings obtained from fire tests performed in accordance with Test Method E119 to constructions that have not been tested. Test Method E119 evaluates the duration for which test specimens will contain a fire, retain their standard integrity, or both during a predetermined test exposure.  
1.2 This practice is based on principles involving the extension of test data using simple considerations. The acceptance of these principles and their application is based substantially on an analogous worst case proposition.  
1.3 These principles are only applicable to temperature conditions represented by the standard time-temperature curve described in Test Method E119. Test Method E119 is a fire-test-response standard.  
1.4 The types of building constructions which are the subject of this practice are categorized as follows: beams; floor and roof assemblies; columns; and walls and partitions. Floor and roof assemblies include such assemblies with ceiling protective membranes.  
1.5 The extension of test data using numerical calculations based on empirical data or theoretical models is not covered in this practice.  
1.6 This practice does not cover the substitution of one proprietary material for another proprietary material, or materials for which fire test data are not presently available.  
1.7 This practice does not purport to be comprehensive in its treatment of non-proprietary modifications of tested constructions. Engineering evaluation or tests are recommended for assessing modifications not specifically covered in this practice.  
1.8 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.  
1.9 This standard is used to determine certain fire-test responses of materials, products, or assemblies to heat and flame under controlled conditions by using results obtained from fire-test-response standards. The results obtained from using this standard do not by themselves constitute measures of fire hazard or fire risk.  
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.  
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.

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