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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.

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.

Keywords

application torque; lug-style closure; removal torque; threaded closure; ICS Number Code 55.040 (Packaging materials and accessories)

To find similar documents by ASTM Volume:

15.10 (Packaging; Flexible Barrier Packaging)

To find similar documents by classification:

55.040 (Packaging materials and accessories Including wrappers, paper, films, foils, cords, sealing devices, cushioning, etc. Adhesive tapes for general purposes, see 83.180)

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