ASTM C689 - 09(2014)

    Standard Test Method for Modulus of Rupture of Unfired Clays

    Active Standard ASTM C689 | Developed by Subcommittee: C21.04

    Book of Standards Volume: 15.02


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    Abstract

    This test method details the standard procedure for the determination of modulus of rupture of ceramic whiteware clays, both dry and after conditioning at specified relative humidity, or both. The apparatuses needed for this method are a conditioning cabinet, and a testing machine. Extruded, clay-flint, and solid cast specimens shall be prepared accordingly. Specific procedures as to handling, warpage, drying, and storage, and the corresponding calculations are discussed thoroughly.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    Significance and Use

    3.1 The purpose of this test method is to obtain values of rupture modulus of clays before firing, under various processing conditions (relative humidity).

    1. Scope

    1.1 This test method covers the determination of the modulus of rupture of ceramic whiteware clays both dry and after conditioning at 50 or 80 % relative humidity, or both.

    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 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

    C322 Practice for Sampling Ceramic Whiteware Clays


    ICS Code

    ICS Number Code 91.100.15 (Mineral materials and products)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard

    DOI: 10.1520/C0689-09R14

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C689-09(2014), Standard Test Method for Modulus of Rupture of Unfired Clays, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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