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Significance and Use
3.1 This test method is designed to measure the apparent torsional modulus3 of a leather specimen. Experience has shown that the torsion modulus of leather is directly related to the characteristic known as stiffness when felt in a glove.4
1.1 This test method describes the use of a torsional apparatus for measuring the relative stiffness of gloving leathers. This test method does not apply to wet blue.
1.2 The values stated in SI units are to be regarded as the standard. The values shown in parentheses are provided for information only.
1.3 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1053 Test Methods for Rubber Property--Stiffening at Low Temperatures: Flexible Polymers and Coated Fabrics
D1610 Practice for Conditioning Leather and Leather Products for Testing
ICS Number Code 59.140.30 (Leather and furs)
UNSPSC Code 11162300(Leathers)
ASTM D2821-14, Standard Test Method for Measuring the Relative Stiffness of Leather by Means of a Torsional Wire Apparatus, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top