ASTM D1004-94a

    Standard Test Method for Initial Tear Resistance of Plastic Film and Sheeting


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    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 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 outset of tearing, is recorded as the tear resistance in newtons (or pounds-force).

    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 and health practices and determine the applicability of regulatory limitations prior to use. Specific cautionary statements are given in Note 2.

    Note 1-There is no similar or equivalent ISO standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D618 Practice for Conditioning Plastics for Testing

    D882 Test Method for Tensile Properties of Thin Plastic Sheeting

    D883 Terminology Relating to Plastics

    D4000 Classification System for Specifying Plastic Materials

    D5947 Test Methods for Physical Dimensions of Solid Plastics Specimens

    D6988 Guide for Determination of Thickness of Plastic Film Test Specimens

    E4 Practices for Force Verification of Testing Machines

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method


    UNSPSC Code

    UNSPSC Code 13111200(Films)


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    DOI: 10.1520/D1004-94A

    Citation Format

    ASTM D1004-94a, Standard Test Method for Initial Tear Resistance of Plastic Film and Sheeting, ASTM International, West Conshohocken, PA, 1994, www.astm.org

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