ASTM D6413 D6413M-2012 red 2427 Standard Test Method for Flame Resistance of Textiles (Vertical Test)《织物火焰抗性的标准试验方法 (垂直试验)》.pdf
《ASTM D6413 D6413M-2012 red 2427 Standard Test Method for Flame Resistance of Textiles (Vertical Test)《织物火焰抗性的标准试验方法 (垂直试验)》.pdf》由会员分享,可在线阅读,更多相关《ASTM D6413 D6413M-2012 red 2427 Standard Test Method for Flame Resistance of Textiles (Vertical Test)《织物火焰抗性的标准试验方法 (垂直试验)》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、Designation:D6413/D6413M11a1Designation: D6413/D6413M 12Standard Test Method forFlame Resistance of Textiles (Vertical Test)1This standard is issued under the fixed designation D6413/D6413M; the number immediately following the designation indicates theyear of original adoption or, in the case of re
2、vision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1NOTEThe designation was changed to a Combined units standard and Fig. 6 was updated editorially in January 20
3、12.1. Scope1.1 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 asse
4、mblies to heat and flameunder 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 st
5、andard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo 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
6、, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD1776 Practice fo
7、r Conditioning and Testing TextilesD4391 Terminology Relating to The Burning Behavior of Textiles3. Terminology3.1 DefinitionsFor definitions of terms relating to the combustion of textiles, see Terminology D4391. For definitions of othertextile terms used in this test method, refer to Terminology D
8、123.3.2 Definitions of Terms Specific to This Standard:3.2.1 afterflame, npersistent flaming of a material after the ignition source has been removed.3.2.2 after-flame time, nthe length of time for which a material continues to flame after the ignition source has been removed.3.2.3 afterglow, nglow
9、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, nthe time afterglow continues after the removal of the ignition source and the cessation of flaming.3.2.5 char length, n in measuring flame resis
10、tance of textiles, the distance from the fabric edge, which is directly exposed tothe flame to the furthest point of visible fabric damage after a specified tearing force has been applied.3.2.6 charring, nthe formation of carbonaceous residue as the result of pyrolysis or incomplete combustion.3.2.7
11、 flame, nas related to ignition of textiles, a controlled hot, luminous zone of gas or matter in gaseous suspension, or both,of constant size and shape that is undergoing combustion as evidenced by a low-intensity heat flux of less than 1 kw, such as candleflame or match flame.3.2.8 flame applicatio
12、n time, nthe time interval for which the ignition flame is applied to a material.3.2.9 flame resistance, nthe property of a material whereby flaming combustion is prevented, terminated, or inhibitedfollowing application of a flaming or nonflaming source of ignition, with or without subsequent remova
13、l of the ignition source.1This test method is under the jurisdiction of ASTM Committee D13 Textiles and is the direct responsibility of Subcommittee D13.52 on Flammability .Current edition approved Oct. 15, 2011. Published November 2011. Discontinued in 2008 and reinstated as D641308. Last previous
14、edition approved in 2011 asD641311a. DOI: 10.1520/D6413_D6413M-11AE01.Current edition approved July 1, 2012. PublishedAugust 2012. Discontinued in 2008 and reinstated as D6413 08. Last previous edition approved in 2011 as D641311a1. DOI: 10.1520/D6413_D6413M-12.2For referenced ASTM standards, visit
15、the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standa
16、rd an indication of what changes have been made to the previous version. Becauseit 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 versionof the standard as published by ASTM
17、is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.2.10 glow, nvisible, flameless combustion of the solid phase of a material.3.2.11 ignition, nthe initiation of combustion.3.2.12 melting, na l
18、iquification of material under the influence of heat.3.2.13 smoldering, nthe combustion of a solid material without accompaniment of flame but generally with the productionof smoke.4. Summary of Test Method4.1 A specimen is positioned vertically above a controlled flame and exposed for a specified p
19、eriod of time. The flame then isremoved, and afterflame time and afterglow time are measured.4.2 Char length is measured under a specified force.4.3 Any evidence of melting or dripping is noted.5. Significance and Use5.1 This test method determines the response of textiles to a standard ignition sou
20、rce, deriving measurement values forafterflame 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 applicationtime.5.3 This test method maintains the specimen in a static, draft-free, vertical posi
21、tion and does not involve movement except thatresulting 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 manyyears in acceptance testing. The between-laboratory precision of this test method has not been established.
22、Refer to Section 14 forsingle-laboratory precision.5.4.1 If there are differences or practical significance between reported test results for two laboratories (or more), comparativetests should be performed to determine if there is a statistical bias between them, using competent statistical assista
23、nce. As aminimum, the test samples used should be as homogeneous as possible, that are drawn from the material from which the disparatetest results are obtained, and that are assigned randomly in equal numbers to each laboratory for testing. Other materials withestablished test values may be used fo
24、r this purpose. The test results from the two laboratories should be compared using astatistical test for unpaired data, at a probability level chosen prior to the testing series. If a bias is found, either its cause must befound and corrected, or future test results must be adjusted in consideratio
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