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    ASTM D3198 - 97(2007)

    Standard Test Method for Application and Removal Torque of Threaded or Lug-Style Closures

    Active Standard ASTM D3198 | Developed by Subcommittee: D10.32

    Book of Standards Volume: 15.10

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    Significance and Use

    These torque measurements are of value in:

    5.1.1 Rating the performance of automatic capping machines,

    5.1.2 Measuring any tendency for threaded or lug-style closures to loosen during storage or shipment of the package, and

    5.1.3 Measuring the force required to break hard plastic and overturn or strip soft plastic and metal closures.

    The method may be used to establish performance specifications.

    1. Scope

    1.1 This test method covers the application with a given torque of a threaded or lug-style closure to a container, and measures the torque required to unscrew the closure from a container.

    1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are 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.

    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

    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 55.040 (Packaging materials and accessories)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard

    DOI: 10.1520/D3198-97R07

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D3198-97(2007), Standard Test Method for Application and Removal Torque of Threaded or Lug-Style Closures, ASTM International, West Conshohocken, PA, 2007,

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