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ASTM D2176-16(2021)
Standard Test Method for Folding Endurance of Paper and Plastics Film by the M.I.T. Tester
Standard Test Method for Folding Endurance of Paper and Plastics Film by the M.I.T. Tester
D2176-16R21
ASTM|D2176-16R21|en-US
Standard Test Method for Folding Endurance of Paper and Plastics Film by the M.I.T. Tester
Standard
D2176 Standard Test Method for Folding Endurance of Paper and Plastics Film by the M.I.T. Tester>
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BOS Vol. 08.01 Committee D20
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Significance and Use
4.1 The folding endurance is frequently used to estimate the ability of the paper and plastics film to withstand repeated bending, folding, and creasing.
4.2 Folding endurance has also been found useful in measuring the deterioration of paper and plastics film upon aging.
Scope
1.1 This test method describes the use of the M.I.T.-type folding apparatus for determining folding endurance of paper and plastics film. The M.I.T. tester can be adjusted for samples of any thickness; however, if the outer layers thicker than about 0.25 mm (0.01 in.) rupture during the first few folds, the test loses its significance. The procedure for the Schopper-type apparatus is given in Test Method D643.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard
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.