Standard Active Last Updated: Dec 02, 2020
ASTM C424-93(2020)

Standard Test Method for Crazing Resistance of Fired Glazed Whitewares by Autoclave Treatment

Significance and Use

2.1 This test method is particularly useful for porous materials that can exhibit moisture expansion.

2.2 This test method is a primary test method that is suitable for use in specifications, quality control, and research and development. It can also serve as a referee test method in purchasing contracts or agreements.

Scope

1.1 This test method covers the determination of the crazing resistance of fired glazed whitewares using the autoclave treatment and under the conditions specified in this test method.

1.2 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.

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

1.4 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.

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Details
Book of Standards Volume: 15.02
Developed by Subcommittee: C21.03
Pages: 2
DOI: 10.1520/C0424-93R20
ICS Code: 81.060.20; 97.040.60