ASTM D3968 - 97(2007)

    Standard Test Method for Monitoring of Rotational Torque of Type IIIA Child-Resistant Closures

    Active Standard ASTM D3968 | Developed by Subcommittee: D10.32

    Book of Standards Volume: 15.10

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    Significance and Use

    The application of this test method provides a means for evaluating one of the variables affecting the ability of the closure-container system to function as specified.

    Variability in rotational torque measurements is probably due to the use of the torque meter to measure relatively small torque values, differences in critical package dimensions, and the aging of components.

    1. Scope

    1.1 This test method covers the measurement of rotational torques of Type IIIA child-resistant closures as a means of monitoring normal functioning of the child-resistant package.

    1.2 This test method is not intended to supplant preexisting closure or package specifications or preexisting incoming material test procedures.

    This standard does not purport to address 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.

    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

    D3474 Practice for Calibration and Use of Torque Meters Used in Packaging Applications

    D3475 Classification of Child-Resistant Packages

    E105 Practice for Probability Sampling of Materials

    E122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process

    ICS Code

    ICS Number Code 55.020 (Packaging and distibution of goods in general)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard

    DOI: 10.1520/D3968-97R07

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D3968-97(2007), Standard Test Method for Monitoring of Rotational Torque of Type IIIA Child-Resistant Closures, ASTM International, West Conshohocken, PA, 2007,

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