ASTM E1730 - 09

    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 110°C (230°F).

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

    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 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 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

    Code of Federal Regulations Aeronautics and Space

    14 CFR25.853 (Federal Air Regulation 25.853) Compartment Interior (Amend. 25-72) Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://www.access.gpo.gov.

    Federal Standard

    QQ-A-250/11 Aluminum Alloy 6061-T6 Plate and Sheet Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://dodssp.daps.dla.mil.

    Military Standards

    MILSTD105 Sampling Procedures and Tables for Inspection by Attributes

    Other Documents

    FederalAviationRegul 25.853


    ICS Code

    ICS Number Code 91.100.99 (Other construction materials)

    UNSPSC Code

    UNSPSC Code 30162400(Partition walls); 30103503(Foam honeycomb core)


    DOI: 10.1520/E1730-09

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