ASTM-D4279 2022

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D4279-95(2022) Standard Test Methods for Water Vapor Transmission of Shipping Containers—Constant and Cycle Methods

Published By	Publication Date	Number of Pages
ASTM	2022

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Category: ASTM

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Description

ASTM D4279-95-Reapproved2022

Active Standard: Standard Test Methods for Water Vapor Transmission of Shipping Containers—Constant and Cycle Methods

ASTM D4279

Scope

1.1 These test methods cover the determination of water vapor transmission rates for bulk shipping containers, as follows:

1.1.1 Method A, for Reclosable Containers, and

1.1.2 Method B, for Containers Not Designed for Reclosing.

1.2 Within each procedure details are given for the constant and cycle methods of test atmosphere.

1.3 The test may be applied to the container as packed, or after one or more performance tests such as drum (Method D782), vibration (Methods D999), drop (Test Method D5276), impact resistance (Test Methods D880, D4003, and D5277), or performance tests (Practice D4169), as required.

1.4 For small shipping containers requiring greater accuracy in weighing, the water vapor transmission may be determined in accordance with Test Method D895 or Test Method D1251.

1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

constant rate of gain; cycle method; desiccant; reclosable containers; water vapor permeability ;

ICS Code

ICS Number Code 55.040 (Packaging materials and accessories)

DOI: 10.1520/D4279-95R22

Additional information

Standard Title	D4279-95(2022) Standard Test Methods for Water Vapor Transmission of Shipping Containers—Constant and Cycle Methods
Published Code	ASTM
Publication Date	2022