ASTM D6413/D6413M-13b
(Test Method)Standard Test Method for Flame Resistance of Textiles (Vertical Test)
Standard Test Method for Flame Resistance of Textiles (Vertical Test)
SIGNIFICANCE AND USE
5.1 This test method determines the response of textiles to a standard ignition source, deriving measurement values for afterflame time, afterglow time, and char length.
5.2 The vertical flame resistance, as determined by this test method, only relates to a specified flame exposure and application time.
5.3 This test method maintains the specimen in a static, draft-free, vertical position and does not involve movement except that resulting from the exposure.
5.4 Test Method D6413 has been adopted from Federal Test Standard No. 191A method 5903.1, which has been used for many years in acceptance testing. The between-laboratory precision of this test method has not been established. Refer to Section 14 for single-laboratory precision.
5.4.1 If there are differences or practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, the test samples used should be as homogeneous as possible, that are drawn from the material from which the disparate test results are obtained, and that are assigned randomly in equal numbers to each laboratory for testing. Other materials with established test values may be used for this purpose. The test results from the two laboratories should be compared using a statistical test for unpaired data, at a probability level chosen prior to the testing series. If a bias is found, either its cause must be found and corrected, or future test results must be adjusted in consideration on the known bias.
SCOPE
1.1 This test method is used to measure the vertical flame resistance of textiles.
1.1.1 As a part of the measure of flame resistance, afterflame and afterglow characteristics are evaluated.
1.2 This standard shall be used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled laboratory conditions and shall not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 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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Designation: D6413/D6413M − 13b
StandardTest Method for
1
Flame Resistance of Textiles (Vertical Test)
This standard is issued under the fixed designation D6413/D6413M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1.1 afterflame, n—persistent flaming of a material after
the ignition source has been removed.
1.1 This test method is used to measure the vertical flame
3.1.1.2 after-flame time, n—the length of time for which a
resistance of textiles.
material continues to flame after the ignition source has been
1.1.1 As a part of the measure of flame resistance, after-
removed.
flame and afterglow characteristics are evaluated.
3.1.1.3 afterglow time, n—the time afterglow continues
1.2 This standard shall be used to measure and describe the
after the removal of the ignition source and the cessation of
responseofmaterials,products,orassembliestoheatandflame
flaming.
under controlled laboratory conditions and shall not be used to
3.1.1.4 char length, n—in measuring flame resistance of
describe or appraise the fire hazard or fire risk of materials,
textiles, the distance from the fabric edge, which is directly
products, or assemblies under actual fire conditions.
exposed to the flame to the furthest point of visible fabric
damage after a specified tearing force has been applied.
1.3 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in 3.1.1.5 flame application time, n—the time interval for
which the ignition flame is applied to a material.
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining 3.1.1.6 melting, n—a liquification of material under the
influence of heat.
values from the two systems may result in non-conformance
with the standard.
3.2 For all terminology related to textiles, refer to Termi-
1.4 This standard does not purport to address all of the nology D123.
safety concerns, if any, associated with its use. It is the
4. Summary of Test Method
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
4.1 A specimen is positioned vertically above a controlled
bility of regulatory limitations prior to use.
flame and exposed for a specified period of time. The flame
then is removed, and afterflame time and afterglow time are
2. Referenced Documents
measured.
2
2.1 ASTM Standards:
4.2 Char length is measured under a specified force.
D123 Terminology Relating to Textiles
4.3 Any evidence of melting or dripping is noted.
D1776 Practice for Conditioning and Testing Textiles
D4391 Terminology Relating to The Burning Behavior of
5. Significance and Use
Textiles
5.1 This test method determines the response of textiles to a
standard ignition source, deriving measurement values for
3. Terminology
afterflame time, afterglow time, and char length.
3.1 For terms relating to the burning behavior of textiles,
5.2 The vertical flame resistance, as determined by this test
see Terminology D4391.
method, only relates to a specified flame exposure and appli-
3.1.1 The following terms are relevant to this standard.
cation time.
5.3 This test method maintains the specimen in a static,
1
draft-free, vertical position and does not involve movement
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
and is the direct responsibility of Subcommittee D13.52 on Flammability.
except that resulting from the exposure.
Current edition approved May 1, 2013. Published June 2013. Originally
5.4 Test Method D6413 has been adopted from Federal Test
approvedin1999.Lastpreviouseditionapprovedin2013asD6413/D6413M – 13a.
DOI: 10.1520/D6413_D6413M-13B.
Standard No. 191A method 5903.1, which has been used for
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
many years in acceptance testing. The between-laboratory
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
precision of this test method has not been established. Refer to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Section 14 for single-laboratory precision.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D6413/D6413M − 13b
5.4.1 If there are differences or practical significance be- found, either its cause must be found and corrected, or future
tween reported test results for two laboratories (or more), test results must be adjusted in consideration o
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6413/D6413M − 13a D6413/D6413M − 13b
Standard Test Method for
1
Flame Resistance of Textiles (Vertical Test)
This standard is issued under the fixed designation D6413/D6413M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method is used to measure the vertical flame resistance of textiles.
1.1.1 As a part of the measure of flame resistance, afterflame and afterglow characteristics are evaluated.
1.2 This standard shall be used to measure and describe the response of materials, products, or assemblies to heat and flame
under controlled laboratory conditions and shall not be used to describe or appraise the fire hazard or fire risk of materials,
products, or assemblies under actual fire conditions.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.4 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
2
2.1 ASTM Standards:
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles
D4391 Terminology Relating to The Burning Behavior of Textiles
3. Terminology
3.1 Definitions— For definitions of terms relating to the combustion burning behavior of textiles, see Terminology D4391. For
definitions of other textile terms used in this test method, refer to Terminology D123.
3.1.1 The following terms are relevant to this standard.
3.1.1.1 afterflame, n—persistent flaming of a material after the ignition source has been removed.
3.1.1.2 after-flame time, n—the length of time for which a material continues to flame after the ignition source has been
removed.
3.1.1.3 afterglow time, n—the time afterglow continues after the removal of the ignition source and the cessation of flaming.
3.1.1.4 char length, n—in measuring flame resistance of textiles, the distance from the fabric edge, which is directly exposed
to the flame to the furthest point of visible fabric damage after a specified tearing force has been applied.
3.1.1.5 flame application time, n—the time interval for which the ignition flame is applied to a material.
3.1.1.6 melting, n—a liquification of material under the influence of heat.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 afterflame, n—persistent flaming of a material after the ignition source has been removed.
3.2.2 after-flame time, n—the length of time for which a material continues to flame after the ignition source has been removed.
3.2.3 afterglow, n—glow in a material after the removal of an external ignition source or after the cessation (natural or induced)
of flaming of the material.
3.2.4 afterglow time, n—the time afterglow continues after the removal of the ignition source and the cessation of flaming.
1
This test method is under the jurisdiction of ASTM Committee D13 on Textiles and is the direct responsibility of Subcommittee D13.52 on Flammability.
Current edition approved Feb. 15, 2013May 1, 2013. Published March 2013June 2013. Originally approved in 1999. Last previous edition approved in 2013 as
D6413/D6413M – 13.D6413/D6413M – 13a. DOI: 10.1520/D6413_D6413M-13A.10.1520/D6413_D6413M-13B.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D6413/D6413M − 13b
3.2.5 char length, n— in measuring flame resistance of textiles, the distance from the fabric edge, which is directly exposed to
the flame to the furthest point of visible fabric damage after a specified tearing force has been applied.
3.2.6 charring, n—the formation of carbonaceous residue as the result of pyrolysis or inc
...
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