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Description of ASTM-D5171 2009ASTM D5171 - 09aStandard Test Method for Impact Resistance of Plastic Sew-Through ButtonsActive Standard ASTM D5171 | Developed by Subcommittee: D13.54 Book of Standards Volume: 07.02 ASTM D5171Significance and Use This test method may be used to determine the ability of a button to resist breaking under impact, for example in pressing the end item, which could cause the button to fail. Note 1In the development of this test method it was found that the following factors influenced the ability of a button to resist failure under impact conditions: resin formulation, shape ligne size, thickness, number and spacing of holes. Buttons may also pass this test but fail during the pressing of a garment due to the presence of heat during pressing. If there are differences of practical significance between the 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, test samples should be used that are as homogeneous as possible, that are drawn from the material from which the disparate rest results were obtained, and that are randomly assigned 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 of the known bias. Test Method D 5171 for the determination of the impact resistance of buttons may be used for acceptance testing of commercial shipments of buttons but caution is advisable since information is lacking on precision. 1. Scope 1.1 This test method covers the determination of impact resistance of plastic sew-through buttons. 1.2 The values stated in either acceptable metric units or other units shall be regarded separately as standard. The values expressed in each system may or may not be exact equivalents: therefore, each system must be used independently of the other, without combining values in any way. 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.
ASTM Standards D123 Terminology Relating to Textiles D618 Practice for Conditioning Plastics for Testing D5497 Terminology Relating to Buttons Keywords button; impact resistance; strength, Buttons; Flange buttons; Impact testing--textile materials/applications; Plastics--textile applications; Sew-through flange buttons; ICS Code ICS Number Code 61.040 (Headgear. Clothing accessories. Fastening of clothing) DOI: 10.1520/D5171-09A ASTM International is a member of CrossRef. ASTM D5171This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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