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ASTM D3111-19

Current Revision

Standard Test Method for Flexibility Determination of Hot-Melt Adhesives by Mandrel Bend Test Method

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1.1 This practice covers the determination of the flexibility of a hot-melt adhesive in sheet form under specific test conditions. This is a working practice. Its results are useful for comparing adhesives, not for absolute characterization of adhesives.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are 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, 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.


5.1 The “Mandrel Bend” test is simple and fast. It requires little investment in equipment and little operator training. The prime purpose is to determine whether a hot-melt adhesive meets flexibility requirements. This test is also useful for comparing flexibility of several adhesives. It can be used to design adhesives by comparing the flexibility of various formulations to meet specific end use parameters. The adhesive flexibility can be determined at temperatures other than ambient by conditioning the test apparatus and test specimens at the desired temperature and performing the test under these temperature conditions.

SDO ASTM: ASTM International
Document Number D3111
Publication Date April 1, 2019
Language en - English
Page Count 3
Revision Level 19
Supercedes
Committee D10.14
Publish Date Document Id Type View
April 1, 2019 D3111-19 Revision
Oct. 1, 2010 D3111-10 Revision
April 10, 1999 D3111-99 Revision
Dec. 15, 2018 D3111-10R18 Reaffirmation
Sept. 1, 2004 D3111-99R04E01 Reaffirmation