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Description of ASTM-D2923 2013ASTM D2923 - 13Standard Test Method for Rigidity of Polyolefin Film and SheetingActive Standard ASTM D2923 | Developed by Subcommittee: D20.19 Book of Standards Volume: 08.01 ASTM D2923Significance and Use 5.1 The rigidity of a polyolefin web can affect its machinability, particularly on those packaging machines where a cut portion of a web is required to remain flat momentarily without being supported on all sides. 5.2 Rigidity is not a simple property since it depends on other properties of the specimen: the thickness (gauge), orientation effects, and the stiffness which is an inherent property of the material of which the film or sheet is made. The combined effect of these factors is the rigidity that influences performance on converting machines. 1. Scope 1.1 This test method describes two procedures for measuring the rigidity of polyolefin film and sheeting. 1.2 Procedure A prescribes a procedure using high-voltage static eliminators and the use of TFE-fluorocarbon 2 -coated plates to overcome the spurious effects of static electricity and friction. 1.3 Procedure B prescribes the use of a fine powder on uncoated plates to achieve a similar effect.
Note 1 Although the two procedures are designed to achieve similar effect, they may not achieve the same
results.
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.5 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.
Note 2 There is no known ISO equivalent to this standard.
ASTM Standards D618 Practice for Conditioning Plastics for Testing D1898 Practice for Sampling of Plastics Keywords film; polyolefins; rigidity; sheet ; ICS Code ICS Number Code 83.140.10 (Films and sheets) DOI: 10.1520/D2923 ASTM International is a member of CrossRef. ASTM D2923The following editions for this book are also available...This 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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