ASTM C1203 - 04(2014)

    Standard Test Method for Quantitative Determination of Alkali Resistance of a Ceramic-Glass Enamel

    Active Standard ASTM C1203 | Developed by Subcommittee: C14.10

    Book of Standards Volume: 15.02


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    Significance and Use

    5.1 This test method is intended to be used when a quantitative measurement of the alkali durability of a ceramic-glass enamel is needed. The test is applicable to glass coated with fired enamels where exposure to strong alkalis, or alkalis at elevated temperatures might be encountered in service.

    5.2 This test method is intended to be an accelerated, destructive test. Results can be used as an indicator of the relative durability of a particular enamel.

    1. Scope

    1.1 This test method covers the determination of the resistance of a fired ceramic-glass enamel to a 10 % alkali solution held near its boiling point for 2 h.

    1.2 This test method is not applicable to large tempered glass sheets or specimens larger than 9 by 9 cm.

    1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 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. For specific hazard statements, see Section 9.


    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

    C162 Terminology of Glass and Glass Products

    C927 Test Method for Lead and Cadmium Extracted from the Lip and Rim Area of Glass Tumblers Externally Decorated with Ceramic Glass Enamels

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method


    ICS Code

    ICS Number Code 25.220.50 (Enamels)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/C1203

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