ASTM E2188 - 19

    Standard Test Method for Insulating Glass Unit Performance

    Active Standard ASTM E2188 | Developed by Subcommittee: E06.22

    Book of Standards Volume: 04.12


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    Significance and Use

    4.1 This test method is intended to provide a means for testing the performance of the sealing system and construction of insulating glass units.

    4.1.1 Insulating glass units tested in accordance with this method may be suitable for structurally glazed applications. However, factors such as sealant longevity when exposed to long term ultraviolet light and the structural properties of the sealant must be reviewed for these applications.

    4.1.2 Insulating glass units tested in accordance with this method are not intended for continuous exposure to high relative humidity conditions or long-term immersion in water.

    1. Scope

    1.1 This test method covers procedures for testing the performance of preassembled permanently sealed insulating glass units or insulating glass units with capillary tubes intentionally left open.

    1.2 This test method is applicable only to insulating glass units that are constructed with glass.

    1.3 This test method is applicable to both double-glazed and triple-glazed insulating glass units. For triple-glazed insulating glass units where both of the outer lites are glass and the inner lite is either glass or a suspended film.

    1.4 The unit construction used in this test method contains dimensions that are an essential component of the test. Different types of glass, different glass thicknesses, and different cavity sizes may affect the test results.

    1.5 This test method is not applicable to insulating glass units containing a spandrel glass coating due to testing limitations.

    1.6 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

    1.7 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.

    1.8 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.


    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

    C717 Terminology of Building Seals and Sealants

    C1036 Specification for Flat Glass

    E546 Test Method for Frost/Dew Point of Sealed Insulating Glass Units

    E631 Terminology of Building Constructions

    E2190 Specification for Insulating Glass Unit Performance and Evaluation


    ICS Code

    ICS Number Code 81.040.01 (Glass in general)

    UNSPSC Code

    UNSPSC Code 30171710(Insulating glass)


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E2188-19

    Citation Format

    ASTM E2188-19, Standard Test Method for Insulating Glass Unit Performance, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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