ASTM C240 - 08(2012)

    Standard Test Methods of Testing Cellular Glass Insulation Block

    Active Standard ASTM C240 | Developed by Subcommittee: C16.32

    Book of Standards Volume: 04.06


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    Significance and Use

    4.1 From a general standpoint, these test methods outline the particular points which have to be taken into account when applying ASTM standard test methods to the case of cellular glass insulating block.

    1. Scope

    1.1 These test methods cover the testing of cellular glass insulation block for density, water absorption, compressive strength, flexural strength at ambient temperature; preparation for chemical analysis; and thermal conductivity measurements.

    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

    C165 Test Method for Measuring Compressive Properties of Thermal Insulations

    C168 Terminology Relating to Thermal Insulation

    C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus

    C203 Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal Insulation

    C226 Specification for Air-Entraining Additions for Use in the Manufacture of Air-Entraining Hydraulic Cement

    C303 Test Method for Dimensions and Density of Preformed Block and Board-Type Thermal Insulation

    C390 Practice for Sampling and Acceptance of Thermal Insulation Lots

    C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

    C871 Test Methods for Chemical Analysis of Thermal Insulation Materials for Leachable Chloride, Fluoride, Silicate, and Sodium Ions

    Military Standard

    MIL-I-24244 Specification Insulation Materials with Special Corrosion, Chloride, and Fluoride Requirements Available from Standardization Documents Order Desk, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094.

    Other Standard

    NRC1.36 Nonmetallic Thermal Insulation for Austenitic Stainless Steel Available from Director of Regulatory Standards, US Atomic Energy Commission, Washington, DC 20545.

    ISO Standard

    ISO3951 Sampling Procedure and Charts for Inspection by Variables for Percent Nonconforming Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.


    ICS Code

    ICS Number Code 91.100.60 (Thermal and sound insulating materials)

    UNSPSC Code

    UNSPSC Code 30141500(Thermal insulation)


    Referencing This Standard

    DOI: 10.1520/C0240-08R12

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C240-08(2012), Standard Test Methods of Testing Cellular Glass Insulation Block, ASTM International, West Conshohocken, PA, 2012, www.astm.org

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