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ASTM D1004

Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting

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Organization: ASTM
Publication Date: 1 April 2013
Status: active
Page Count: 4
ICS Code (Films and sheets): 83.140.10
scope:

This test method2 covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm (2 in.)/min. and is designed to measure the force to initiate tearing. The specimen geometry of this test method produces a stress concentration in a small area of the specimen. The maximum stress, usually found near the onset of tearing, is recorded as the tear resistance in newtons (or pounds-force). The method is not applicable for film or sheeting material where brittle failures occur during testing or where maximum extension is greater than 101.6 mm (4 in.).

Although resistance to tear can be expressed in newtons per microns, (pounds-force per mil) of specimen thickness, this is only advisable where correlation for the particular material being tested has been established. In most cases, comparison between films of dissimilar thickness is not valid.

NOTE 1-Film has been arbitrarily defined as sheeting having nominal thickness not greater than 0.25 mm (0.010 in.).

Constant-Rate-of-Grip Separation Test-This test method employs a constant rate of separation of the grips holding the test specimen.

Specimen extension may be measured in this test method by grip separation.

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

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.

2 The following reference may be of interest in connection with this test method: Graves, F. L., "The Evaluation of Tear Resistance in Elastomers," India Rubber World, Vol 111, No. 3, December 1944, pp. 305-308.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D1004
April 1, 2013
Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
This test method2 covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm (2 in.)/min. and is designed to measure the force to...
May 1, 2009
Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
This test method2 covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm (2 in.)/min. and is designed to measure the force to...
November 1, 2008
Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
This test method2 covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm (2 in.)/min. and is designed to measure the force to...
April 1, 2007
Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
This test method2 covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm [2 in.]/min. and is designed to measure the force to...
August 10, 2003
Standard Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
This test method(footnote2)covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm [2 in.]/min. and is designed to measure the force...
October 15, 1994
Standard Test Method for Initial Tear Resistance of Plastic Film and Sheeting
1. Scope 1.1 This test method covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm (2 in.)/min. This test method is designed to...
October 15, 1994
Standard Test Method for Initial Tear Resistance of Plastic Film and Sheeting
This test method covers the determination of the tear resistance of flexible plastic film and sheeting at very low rates of loading, 51 mm [2 in.]/min. This test method is designed to measure the...
March 15, 1994
STANDARD TEST METHOD FOR INITIAL TEAR RESISTANCE OF PLASTIC FILM AND SHEETING
A description is not available for this item.
October 15, 1993
STANDARD TEST METHOD FOR INITIAL TEAR RESISTANCE OF PLASTIC FILM AND SHEETING
A description is not available for this item.
March 30, 1990
STANDARD TEST METHOD FOR INITIAL TEAR RESISTANCE OF PLASTIC FILM AND SHEETING
A description is not available for this item.
March 31, 1966
STANDARD TEST METHOD FOR INITIAL TEAR RESISTANCE OF PLASTIC FILM AND SHEETING (R 1988) (E1-1988)
A description is not available for this item.

References

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