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ASTM D2261-07

Historical Revision

Standard Test Method for Tearing Strength of Fabrics by the Tongue (Single Rip) Procedure (Constant-Rate-of-Extension Tensile Testing Machine)

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1.1 This test method covers the measurement of the tearing strength of textile fabrics by the tongue (single rip) procedure using a recording constant-rate-of-extension-type (CRE) tensile testing machine.

1.1.1 The CRE-type tensile testing machine has become the preferred test apparatus for determining tongue tearing strength. It is recognized that some constant-rate-of-traverse-type (CRT) tensile testing machines continue to be used. As a consequence, these test instruments may be used when agreed upon between the purchaser and the supplier. The conditions for use of the CRT-type tensile tester are included in Appendix X1.

1.2 This test method applies to most fabrics including woven fabrics, air bag fabrics, blankets, napped fabrics, knit fabrics, layered fabrics, pile fabrics. The fabrics may be untreated, heavily sized, coated, resin-treated, or otherwise treated. Instructions are provided for testing specimens with or without wetting.

1.3 Tear strength, as measured in this test method, requires that the tear be initiated before testing. The reported value obtained is not directly related to the force required to initiate or start a tear.

1.4 Two calculations for tongue tearing strength are provided: the single-peak force and the average of five highest peak forces.

1.5 The values stated in either SI units or inch-pound units are to be regarded as the standard. The inch-pound units may be approximate.

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.


SDO ASTM: ASTM International
Document Number D2261
Publication Date July 1, 2007
Language en - English
Page Count 5
Revision Level 07
Supercedes
Committee D13.60
Publish Date Document Id Type View
July 15, 2017 D2261-13R17E01 Revision
Jan. 1, 2013 D2261-13 Revision
July 1, 2011 D2261-11 Revision
Dec. 1, 2007 D2261-07AE01 Revision
Dec. 1, 2007 D2261-07A Revision
July 1, 2007 D2261-07 Revision
Jan. 1, 1996 D2261-96 Revision
Jan. 1, 2024 D2261-13R24 Reaffirmation
July 15, 2017 D2261-13R17 Reaffirmation
Feb. 10, 1996 D2261-96R02 Reaffirmation