ASTM C796 / C796M - 12

    Standard Test Method for Foaming Agents for Use in Producing Cellular Concrete Using Preformed Foam

    Active Standard ASTM C796 / C796M | Developed by Subcommittee: C09.23

    Book of Standards Volume: 04.02


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    Significance and Use

    This test method is used to develop data for comparison or compliance with the requirements of Specification C869.

    1. Scope

    1.1 This test method furnishes a way of measuring, in the laboratory, the performance of a foaming chemical to be used in producing foam (air cells) for making cellular concrete.

    1.2 This test method includes the following:

    1.2.1 Manufacture of laboratory quantities of cellular concrete.

    1.2.2 Determination of the air content of the freshly prepared cellular concrete and of the hardened concrete after handling in conventional machinery.

    1.2.3 Determination of the following properties of the hardened concrete: compressive strength, tensile splitting strength, density, and water absorption. It may not be necessary to study all of the above properties in all cases, depending on the proposed use of the material.

    1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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.

    1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.


    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

    C88 Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate

    C150 Specification for Portland Cement

    C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory

    C495 Test Method for Compressive Strength of Lightweight Insulating Concrete

    C496/C496M Test Method for Splitting Tensile Strength of Cylindrical Concrete Specimens

    C511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes

    C802 Practice for Conducting an Interlaboratory Test Program to Determine the Precision of Test Methods for Construction Materials

    C869 Specification for Foaming Agents Used in Making Preformed Foam for Cellular Concrete


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111500(Concrete and mortars)


    DOI: 10.1520/C0796-04

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