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ASTM D3813/D3813M-98(2020)

Current Reaffirmation

Standard Test Method for Curling and Twisting on Unwinding of Pressure-Sensitive Tapes

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1.1 This test method provides one procedure for determining the extent of curling, the degree of twisting, and tendency to form a tube resulting from unwinding of the tape from its roll.

1.2 The values stated in either SI or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently, 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, 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 This test method will provide information on the relative tendency of tapes to curl, twist, or form into a tube with touching edges. The amount of each is a predictor of the difficulty one might experience in handling strips of tape of any length during their application.

5.2 There are several causes for variation in the extent or degree of these characteristics and may vary themselves within a production lot of tape. Therefore, it is essential to use an accepted sampling plan (see Section 7) when it is desired to use this test method to compare two types of tape for acceptance sampling purposes.

SDO ASTM: ASTM International
Document Number D3813
Publication Date Oct. 1, 2020
Language en - English
Page Count 3
Revision Level 98(2020)
Supercedes
Committee D10.14
Publish Date Document Id Type View
Oct. 10, 1998 D3813_D3813M-98 Revision
Oct. 1, 2020 D3813_D3813M-98R20 Reaffirmation
April 1, 2012 D3813_D3813M-98R12E01 Reaffirmation
Oct. 1, 2007 D3813_D3813M-98R07 Reaffirmation
Oct. 10, 1998 D3813_D3813M-98R03 Reaffirmation