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Significance and Use
5.1 Test Method for measuring the resistance to fabric yarn slippage is considered satisfactory for acceptance testing of woven upholstery fabrics.
5.1.1 In case of disagreement arising from differences in values reported by the purchaser and the supplier when using this test method for acceptance testing, the statistical bias, if any, between the laboratory of the supplier and the laboratory of the purchaser should be determined with comparisons being based on the testing of specimens taken from a lot of material of the type evaluated to be as nearly homogeneous as possible and then randomly assigned in equal numbers to each of the laboratories.
5.2 This test method is intended to measure fabric yarn slippage at the sewn seam in upholstery fabrics under controlled conditions. This test method may not indicate actual field performance.
5.3 Fabrics that do not meet the requirements agreed upon between the purchaser and supplier should be classified as “delicate yarn slippage resistance” and the purchaser and furniture manufacturer so notified.
1.1 This test method measures the resistance to slippage of warp yarns over filling yarns, or filling yarns over warp yarns, in woven upholstery fabrics, using a specific standard seam assembly by comparing the differences in test curves from a sewn and unsewn sample.
Note 1: This test method is derived from Test Method , from which appropriate changes have been made to make the method more applicable for upholstery fabrics.
Note 2: This test method is designed to be a fabric test and is considered to be technically different than Test Method , which is considered to be a yarn / seam test.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D76/D76M Specification for Tensile Testing Machines for Textiles
D123 Terminology Relating to Textiles
D434 Test Method for Resistance to Slippage of Yarns in Woven Fabrics Using a Standard Seam
D1683 Test Method for Failure in Sewn Seams of Woven Fabrics
D1776 Practice for Conditioning and Testing Textiles
D4850 Terminology Relating to Fabrics and Fabric Test Methods
D5034 Test Method for Breaking Strength and Elongation of Textile Fabrics (Grab Test)
D6193 Practice for Stitches and Seams
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D4034 / D4034M-19, Standard Test Method for Resistance to Yarn Slippage at the Sewn Seam in Woven Upholstery Fabrics, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top