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ASTM D 2838 : 2009

NA
NA

Status of Standard is Unknown

Standard Test Method for Shrink Tension and Orientation Release Stress of Plastic Film and Thin Sheeting
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-05-2009

1.1 This test method covers the determination of the shrink tension and related characteristics, that is, shrink force and orientation release stress, of heat-shrinkable plastic film and sheeting of less than 1.0 mm (0.04 in.) thickness. Two procedures are described that permit the measurement of shrink forces at predetermined temperatures. They are as follows:

1.1.1 Procedure A is designed to measure the maximum force exerted by a specimen that is totally restrained from shrinking as it is heated rapidly to a specific temperature.

1.1.2 Procedure B is designed to measure the maximum force exerted by a specimen that is permitted to shrink a predetermined amount prior to restraint while being heated rapidly to a specific temperature.

1.2 Orientation release stress can be determined from the data obtained using Procedure A.

1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

1.4 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 1—Film has been arbitrarily defined as sheeting having nominal thickness not greater than 0.25 μm (0.010 in.).

Note 2—There is no known ISO equivalent to this test method.

Committee
D 20
DocumentType
Test Method
Pages
5
PublisherName
American Society for Testing and Materials
Status
NA
SupersededBy
Supersedes

ASTM D 8065/D8065M : 2016 Standard Classification System and Basis for Specification for Specifying Plastic Films
ASTM D 2673 : 2014 Standard Specification for Oriented Polypropylene Film
ASTM D 6287 : 2017 Standard Practice for Cutting Film and Sheeting Test Specimens

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