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

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.
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.

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Publication Date
31-Oct-2009
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E1730 −09
StandardSpecification for
1
Rigid Foam for Use in Structural Sandwich Panel Cores
This standard is issued under the fixed designation E1730; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope C390Practice for Sampling and Acceptance of Thermal
Insulation Lots
1.1 Thisspecificationcoversrigid,closedcell,polyurethane
C518Test Method for Steady-State Thermal Transmission
and polyisocyanurate thermal insulation for sandwich panels
Properties by Means of the Heat Flow Meter Apparatus
used in shelter construction for exposure to ambient tempera-
C550Test Method for Measuring Trueness and Squareness
tures of−25° to 160°F (−32° to 71°C). Painted surfaces of
of Rigid Block and Board Thermal Insulation
sheltersinactualfieldusereachtemperaturesof200°F(93°C).
D883Terminology Relating to Plastics
The materials in this specification must be capable of with-
D1621Test Method for Compressive Properties of Rigid
standing processing, (laminating) temperatures of 110°C
Cellular Plastics
(230°F).
D1622Test Method for Apparent Density of Rigid Cellular
1.2 The values stated in either inch-pound or SI units are to
Plastics
be regarded separately as the standard. The values given in
D1623Test Method for Tensile and Tensile Adhesion Prop-
parentheses are for information only.
erties of Rigid Cellular Plastics
1.3 The following precautionary caveat pertains only to the D2126Test Method for Response of Rigid Cellular Plastics
test method portion, Section 12, of this specification: This
to Thermal and Humid Aging
standard does not purport to address all of the safety concerns, D2856TestMethodforOpen-CellContentofRigidCellular
3
if any, associated with its use. It is the responsibility of the user
Plastics by the Air Pycnometer (Withdrawn 2006)
of this standard to establish appropriate safety and health
2.2 Code of Federal Regulations Aeronautics and Space:
practices and determine the applicability of regulatory limita-
14CFR25.853 (Federal Air Regulation 25.853) Compart-
4
tions prior to use.
ment Interior (Amend. 25-72)
2.3 Federal Standard:
2. Referenced Documents
5
QQ-A-250/11Aluminum Alloy 6061-T6 Plate and Sheet
2
2.1 ASTM Standards:
2.4 Military Standards:
C165TestMethodforMeasuringCompressivePropertiesof
MILSTD105Sampling Procedures and Tables for Inspec-
Thermal Insulations
5
tion by Attributes
C168Terminology Relating to Thermal Insulation
6
2.5 Other Documents:
C177Test Method for Steady-State Heat Flux Measure-
Aircraft Materials Fire Test HandbookDOT/FAA/AR-00/12
ments and Thermal Transmission Properties by Means of
Federal Aviation Regulation (FAR)25.853
the Guarded-Hot-Plate Apparatus
C273Test Method for Shear Properties of Sandwich Core
3. Terminology
Materials
3.1 Definitions—The terms used in this specification are
C366/C366MTest Methods for Measurement of Thickness
defined in Terminologies C168 and D883.
of Sandwich Cores
1 3
This specification is under the jurisdiction of ASTM Committee E06 on The last approved version of this historical standard is referenced on
Performance of Buildings and is under the direct responsibility of Subcommittee www.astm.org.
4
E06.53 on Materials and Processes for Durable Rigidwall Relocatable Structures. AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Current edition approved Nov. 1, 2009. Published December 2009. Originally 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
approved in 1995. Last previous edition approved in 2004 as E1730–04. DOI: www.access.gpo.gov.
5
10.1520/E1730-09. Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM dodssp.daps.dla.mil.
6
Standards volume information, refer to the standard’s Document Summary page on Available from National Institute of Standards and Technology (NIST), 100
the ASTM website. Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E1730−09
4. Classification 9. Acceptance
9.1 Lot Size for Acceptance Testing—For the purpose of
4.1 The unfaced foam thermal insulation boards covered by
this specification are classified as follows: acceptance testing a lot is defined as a single
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:E1730–04 Designation: E1730 – 09
Standard Specification for
1
Rigid Foam for Use in Structural Sandwich Panel Cores
This standard is issued under the fixed designation E1730; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This specification covers rigid, closed cell, polyurethane and polyisocyanurate thermal insulation for sandwich panels used
inshelterconstructionforexposuretoambienttemperaturesof−25°to160°F(−32°to71°C).Paintedsurfacesofsheltersinactual
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
2
2.1 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
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
2.2 Code of Federal Regulations Aeronautics and Space:
3
14 CFR25.853 (Federal Air Regulation 25.853) Compartment Interior (Amend. 25-72)
2.3 Federal Standard:
QQ-A-25011 Aluminum Alloy 6061-T6 Plate and Sheet
4
QQ-A-260/11 Aluminum Alloy 6081, Plate and Sheet
4
QQ-A-250/11 Aluminum Alloy 6061-T6 Plate and Sheet
2.4 Military Standards:
1
This specification is under the jurisdiction of ASTM Committee E06 on Performance of Buildings and is under the direct responsibility of Subcommittee E06.53 on
Materials and Processes for Durable Rigidwall Relocatable Structures.
Current edition approved Nov. 1, 2004.2009. Published November 2004.December 2009. Originally approved in 1995. Last previous edition approved in 20022004 as
E1730–024. DOI: 10.1520/E1730-049.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
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.
4
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://dodssp.daps.dla.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1730 – 09
4
MILSTD105 Sampling Procedures and Tables for Inspection by Attributes
5
2.5 Other Documents:
Aircraft Materials Fire Test Handbook,Handbook DOT/FAA/AR-00/12
Federal Aviation Regulation (FAR) 25.853
3. Terminology
3.1 Definitions—The terms used in this specification are defined in Terminologies C168 and D883.
4. Classification
4.1 The unfaced f
...

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