ASTM E1730 - 15

    Standard Specification for Rigid Foam for Use in Structural Sandwich Panel Cores

    Active Standard ASTM E1730 | Developed by Subcommittee: E06.53

    Book of Standards Volume: 04.11


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    Abstract

    This specification covers rigid closed-cell polyurethane and polyisocyanurate thermal insulation foams for application in sandwich structural panel cores used in shelter construction for exposure to specified ambient temperatures. The unfaced foam thermal insulation boards are classified into three types (Types 1, 2, 3, and 4) according to increasing nominal density. The morphology of the insulation shall consist of a multitude of individual cells of uniform size and dimension, essentially closed off from each other, homogeneous throughout, free of voids, accumulations of unexpanded material, foreign inclusions, or seams. Upon undergoing appropriate acceptance tests, sampled specimens should adhere accordingly to the limiting values set for the following physical and mechanical properties: density; thermal conductivity; compressive strength; shear strength; percent closed cell; linear and volumetric dimensional stability; flame resistance (extinguish time and burn distance); and impact resistance.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers rigid, closed cell, polyurethane and polyisocyanurate thermal insulation for sandwich panels used in shelter construction for exposure to ambient temperatures of −25° to 160°F (−32° to 71°C). Painted surfaces of shelters in actual field use reach temperatures of 200°F (93°C). The materials in this specification must be capable of withstanding processing, (laminating) temperatures of 230°F (110°C).

    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 The following precautionary caveat pertains only to the test method portion, Section 12, of this specification: 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

    C273/C273M Test Method for Shear Properties of Sandwich Core Materials

    C366/C366M Test Methods for Measurement of Thickness of Sandwich Cores

    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

    C550 Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation

    D883 Terminology Relating to Plastics

    D1621 Test Method for Compressive Properties of Rigid Cellular Plastics

    D1622/D1622M Test Method for Apparent Density of Rigid Cellular Plastics

    D1623 Test Method for Tensile and Tensile Adhesion Properties of Rigid Cellular Plastics

    D2126 Test Method for Response of Rigid Cellular Plastics to Thermal and Humid Aging

    D2856 Test Method for Open-Cell Content of Rigid Cellular Plastics by the Air Pycnometer

    E631 Terminology of Building Constructions

    E1749 Terminology Relating to Rigid Wall Relocatable Shelters

    Code of Federal Regulations Aeronautics and Space

    14

    Federal Standard

    QQ-A-250/11 Aluminum Alloy 6061-T6 Plate and Sheet

    Military Standard

    MILSTD105

    Other Documents

    Federal Aviation Regulation (FAR) 25.853


    ICS Code

    ICS Number Code 91.100.99 (Other construction materials)

    UNSPSC Code

    UNSPSC Code


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

    DOI: 10.1520/E1730-15

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM E1730-15, Standard Specification for Rigid Foam for Use in Structural Sandwich Panel Cores, ASTM International, West Conshohocken, PA, 2015, www.astm.org

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