ASTM C302 - 13

    Standard Test Method for Density and Dimensions of Preformed Pipe-Covering-Type Thermal Insulation

    Active Standard ASTM C302 | Developed by Subcommittee: C16.32

    Book of Standards Volume: 04.06


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    Significance and Use

    5.1 Density measurements of preformed pipe insulation are useful in determining compliance of a product with specification limits and in providing a relative gage of product weights. For any one kind of insulation some important physical and mechanical properties, such as thermal conductivity, heat capacity, strength, etc., bear a specific relationship with its density; however, on a density basis, these properties are not directly comparable with those for other kinds of material.

    5.2 The physical dimensions of preformed pipe insulation are important quantities not only for determining the density of the pipe insulation but also for determining the conformance to specifications. The use of multilayer insulations is common, and the dimensions are necessary to ensure proper nesting of the layers.

    1. Scope

    1.1 This test method covers the determination of the dimensions and density, after conditioning, of preformed pipe insulation.

    1.1.1 Procedure A is applicable to sections of one-piece pipe covering or to sections of segmental pipe covering that can be joined together concentrically and measured as one-piece.

    1.1.2 Procedure B is applicable to segmental pipe covering where each section of material is measured.

    1.1.3 Procedure C is applicable to sections of one-piece pipe covering, such as soft foam or mineral wool materials, where it is possible to penetrate the material.

    1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

    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

    C167 Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations

    C168 Terminology Relating to Thermal Insulation

    C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials

    C870 Practice for Conditioning of Thermal Insulating Materials

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


    ICS Code

    ICS Number Code 27.220 (Heat recovery. Thermal insulation)

    UNSPSC Code

    UNSPSC Code 30141500(Thermal insulation)


    Referencing This Standard

    DOI: 10.1520/C0302

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C302-13, Standard Test Method for Density and Dimensions of Preformed Pipe-Covering-Type Thermal Insulation, ASTM International, West Conshohocken, PA, 2013, www.astm.org

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