ASTM C920-02

    Standard Specification for Elastomeric Joint Sealants

    SUPERSEDED (see Active link, below)


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    1. Scope

    1.1 This specification covers the properties of a cured single- or multicomponent cold-applied elastomeric joint sealant for sealing, caulking, or glazing operations on buildings, plazas, and decks for vehicular or pedestrian use, and types of construction other than highway and airfield pavements and bridges.

    1.2 A sealant meeting the requirements of this specification shall be designated by the manufacturer to be one or more of the types, classes, grades, and uses defined in Section 7.

    1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    1.4 This standard is similar, but not identical, to ISO 11600.


    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

    C510 Test Method for Staining and Color Change of Single- or Multicomponent Joint Sealants

    C639 Test Method for Rheological (Flow) Properties of Elastomeric Sealants

    C661 Test Method for Indentation Hardness of Elastomeric-Type Sealants by Means of a Durometer

    C679 Test Method for Tack-Free Time of Elastomeric Sealants

    C717 Terminology of Building Seals and Sealants

    C719 Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle)

    C793 Test Method for Effects of Laboratory Accelerated Weathering on Elastomeric Joint Sealants

    C794 Test Method for Adhesion-in-Peel of Elastomeric Joint Sealants

    C1183 Test Method for Extrusion Rate of Elastomeric Sealants

    C1193 Guide for Use of Joint Sealants

    C1246 Test Method for Effects of Heat Aging on Weight Loss, Cracking, and Chalking of Elastomeric Sealants After Cure

    C1247 Test Method for Durability of Sealants Exposed to Continuous Immersion in Liquids

    C1442 Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus


    ICS Code

    ICS Number Code 91.100.50 (Binders. Sealing materials)

    UNSPSC Code

    UNSPSC Code 31201600(Other adhesives and sealants)


    DOI: 10.1520/C0920-02

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