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ASTM D1622/D1622M-14

(Test Method)

Standard Test Method for Apparent Density of Rigid Cellular Plastics

Standard Test Method for Apparent Density of Rigid Cellular Plastics

SIGNIFICANCE AND USE
4.1 If the material to be tested includes forming skins, the apparent overall density, or the apparent core density, or both, shall be determined. If the material does not have forming skins, the term overall density is not applicable.  
4.2 This test method is also applicable to spray foam materials.  
4.3 Before proceeding with this test method, reference shall be made to the specification of the material being tested. Any test specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the relevant ASTM materials specification shall take precedence over those mentioned in this test method. If there are no relevant ASTM material specifications, then the default conditions in this method apply.  
4.4 When density or apparent density is used in reference to a cellular plastic, without further qualification, it shall be interpreted as follows:  
4.4.1 density—shall be interpreted as being the apparent overall density if the material is to be used with forming skins intact.  
4.4.2 density—shall be interpreted as the apparent core density if the forming skins have been, or will be, removed before the material is used.
SCOPE
1.1 This test method covers the density of a cellular plastic. Density can be evaluated as the apparent overall density (includes forming skins) or by apparent core density (forming skins removed).  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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. Note 1—This test method is equivalent to ISO 845.

General Information

Status
Historical
Publication Date
31-Mar-2008
ICS
83.100 - Cellular materials
Technical Committee
D20 - Plastics
Drafting Committee
D20.22 - Cellular Materials - Plastics and Elastomers
Current Stage
Ref Project

Relations

Replaces
ASTM D1622-08 - Standard Test Method for Apparent Density of Rigid Cellular Plastics
Effective Date
01-Apr-2008
Replaced By
ASTM D1622-20 - Standard Test Method for Apparent Density of Rigid Cellular Plastics
Effective Date
15-Jul-2020
Referred By
ASTM C447-15(2022) - Standard Practice for Estimating the Maximum Use Temperature of Thermal Insulations
Effective Date
01-Apr-2008
Referred By
ASTM D6817/D6817M-17(2021) - Standard Specification for Rigid Cellular Polystyrene Geofoam
Effective Date
01-Apr-2008
Referred By
ASTM E1974-19 - Standard Specification for Shelter, Electrical Equipment S-250/G
Effective Date
01-Apr-2008
Referred By
ASTM C1029-20 - Standard Specification for Spray-Applied Rigid Cellular Polyurethane Thermal Insulation
Effective Date
01-Apr-2008
Referred By
ASTM C591-22 - Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation
Effective Date
01-Apr-2008
Referred By
ASTM C1696-20 - Standard Guide for Industrial Thermal Insulation Systems
Effective Date
01-Apr-2008
Referred By
ASTM E1730-19 - Standard Specification for Rigid Foam for Use in Structural Sandwich Panel Cores
Effective Date
01-Apr-2008
Referred By
ASTM D6111-19a - Standard Test Method for Bulk Density And Specific Gravity of Plastic Lumber and Shapes by Displacement
Effective Date
01-Apr-2008
Referred By
ASTM E2634-18(2022) - Standard Specification for Flat Wall Insulating Concrete Form (ICF) Systems
Effective Date
01-Apr-2008
Referred By
ASTM D7425/D7425M-13(2019) - Standard Specification for Spray Polyurethane Foam Used for Roofing Applications
Effective Date
01-Apr-2008
Referred By
ASTM D3748-14(2019) - Standard Practice for Evaluating High-Density Rigid Cellular Plastics
Effective Date
01-Apr-2008
Referred By
ASTM E1975-22 - Standard Specification for Shelter, Electrical, Equipment S-280/G
Effective Date
01-Apr-2008
Referred By
ASTM D8142-17e1 - Standard Test Method for Determining Chemical Emissions from Spray Polyurethane Foam (SPF) Insulation using Micro-Scale Environmental Test Chambers
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Standards Content (Sample)

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: D1622/D1622M − 14
Standard Test Method for
1
Apparent Density of Rigid Cellular Plastics
This standard is issued under the fixed designation D1622/D1622M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number 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 U.S. Department of Defense.
1. Scope* 3.2 Definitions of Terms Specific to This Standard:
3.2.1 apparent core density (of a cellular plastic)—the
1.1 This test method covers the density of a cellular plastic.
weight in air per unit volume of a sample, after all forming
Density can be evaluated as the apparent overall density
skins have been removed.
(includes forming skins) or by apparent core density (forming
3.2.2 apparent overall density (of a cellular plastic)—the
skins removed).
weightinairperunitvolumeofasample,includingallforming
1.2 The values stated in either SI units or inch-pound units
skins.
are to be regarded separately as standard. The values stated in
each system may not be exact equivalents; therefore, each
4. Significance and Use
system shall be used independently of the other. Combining
values from the two systems may result in non-conformance 4.1 If the material to be tested includes forming skins, the
with the standard. apparent overall density, or the apparent core density, or both,
shall be determined. If the material does not have forming
1.3 This standard does not purport to address all of the
skins, the term overall density is not applicable.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4.2 This test method is also applicable to spray foam
priate safety and health practices and determine the applica-
materials.
bility of regulatory limitations prior to use.
4.3 Before proceeding with this test method, reference shall
NOTE 1—This test method is equivalent to ISO 845. be made to the specification of the material being tested. Any
test specimen preparation, conditioning, dimensions, or testing
2. Referenced Documents
parameters, or combination thereof, covered in the relevant
2
2.1 ASTM Standards:
ASTM materials specification shall take precedence over those
D618 Practice for Conditioning Plastics for Testing
mentioned in this test method. If there are no relevant ASTM
D883 Terminology Relating to Plastics
material specifications, then the default conditions in this
E691 Practice for Conducting an Interlaboratory Study to
method apply.
Determine the Precision of a Test Method
4.4 When density or apparent density is used in reference to
2.2 ISO Standard:
a cellular plastic, without further qualification, it shall be
ISO 845 Cellular Plastics and Rubbers—Determination of
interpreted as follows:
3
Apparent (Bulk) Density
4.4.1 density—shall be interpreted as being the apparent
3. Terminology overall density if the material is to be used with forming skins
intact.
3.1 For definitions of terms associated with plastic
4.4.2 density—shall be interpreted as the apparent core
materials, see Terminology D883.
density if the forming skins have been, or will be, removed
before the material is used.
1
This test method is under the jurisdiction ofASTM Committee D20 on Plastics
and is the direct responsibility of Subcommittee D20.22 on Cellular Materials -
5. Apparatus
Plastics and Elastomers.
Current edition approved April 1, 2014. Published May 2014. Originally
5.1 Analytical Balance or Scale, capable of weighing the
approved in 1959. Last previous edition approved in 2008 as D1622 - 08. DOI:
10.1520/D1622-14. specimens to the nearest 60.1 %.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.2 Micrometer Dial Gauge, Caliper, or Steel Rule, suitable
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on for measuring dimensions of the specimen to 60.1 %.
the ASTM website.
3 5.3 Dual Component Spray Equipment, designed to meter
Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036, http://www.ansi.org. the materials.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D1622/D1622M − 14
6. Test Specimen 9.2 Measure specimens with a caliper or a dial-type gauge
2 2
havingafootwithaminimumareaof6.5cm [1in. ].Holdthe
6.1 The specimen shall be of a shape whose volume can be
3 3 pressureofthedialf
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: D1622 − 08 D1622/D1622M − 14
Standard Test Method for
1
Apparent Density of Rigid Cellular Plastics
This standard is issued under the fixed designation D1622;D1622/D1622M; the number immediately following the designation indicates
the year of original adoption or, in the case of revision, the year of last revision. A number 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 U.S. Department of Defense.
1. Scope*
1.1 This test method covers the density of a cellular plastic. Density can be evaluated as the apparent overall density (includes
forming skins) or by apparent core density (forming skins removed).
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values given in
parentheses are for information only.stated in each system may not be exact equivalents; therefore, each system shall be used
independently of the other. Combining values from the two systems may result in non-conformance with the 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.
NOTE 1—This test method is equivalent to ISO 845.
2. Referenced Documents
2
2.1 ASTM Standards:
D618 Practice for Conditioning Plastics for Testing
D883 Terminology Relating to Plastics
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
2.2 ISO Standard:
3
ISO 845 Cellular Plastics and Rubbers—Determination of Apparent (Bulk) Density
3. Terminology
3.1 For definitions of terms associated with plastic materials, see Terminology D883.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 apparent core density (of a cellular plastic)—the weight in air per unit volume of a sample, after all forming skins have
been removed.
3.2.2 apparent overall density (of a cellular plastic)—the weight in air per unit volume of a sample, including all forming skins.
3.1.3 When density or apparent density is used in reference to a cellular plastic, without further qualification, it shall be
interpreted as follows:
3.1.3.1 density—shall be interpreted as being the apparent overall density if the material is to be used with forming skins intact.
3.1.3.2 density—shall be interpreted as the apparent core density if the forming skins have been, or will be, removed before the
material is used.
4. Significance and Use
4.1 If the material to be tested includes forming skins, the apparent overall density, or the apparent core density, or both, shall
be determined. If the material does not have forming skins, the term overall density is not applicable.
1
This test method is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.22 on Cellular Materials - Plastics
and Elastomers.
Current edition approved April 1, 2008April 1, 2014. Published May 2008May 2014. Originally approved in 1959. Last previous edition approved in 20032008 as
D1622 - 03.D1622 - 08. DOI: 10.1520/D1622-08.10.1520/D1622-14.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@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 American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D1622/D1622M − 14
4.2 This test method is also applicable to spray foam materials.
4.3 Before proceeding with this test method, reference shall be made to the specification of the material being tested. Any test
specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the relevant ASTM
materials specification shall take precedence over those mentioned in this test method. If there are no relevant ASTM material
specifications, then the default conditions in this method apply.
4.4 When density or apparent density is used in reference to a cellular plastic, wit
...

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1.2 SI units are to be regarded as the preferred units of measurements for values. The inch-pound values in parentheses can be used if there is an agreement between the contractual parties.  
Note 1: There is no known ISO equivalent to this standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D3675-22(Test Method)
Standard Test Method for Surface Flammability of Flexible Cellular Materials Using a Radiant Heat Energy Source

SIGNIFICANCE AND USE
5.1 This test method is intended for use when measuring surface flammability of flexible cellular materials exposed to fire. The test method provides a laboratory test procedure for measuring and comparing the surface flammability of materials when exposed to a prescribed level of radiant heat energy. The test is conducted using specimens that are representative, to the extent possible, of the material or assembly being evaluated. For example, if an assembly is required to be tested, such specimens shall replicate the type and thickness of all the layers present in the assembly being evaluated.  
5.2 The rate at which flames will travel along surfaces depends upon the physical and thermal properties of the material, product, or assembly under test, the specimen mounting method and orientation, the type and level of fire or heat exposure, the availability of air, and properties of the surrounding enclosure. (1-6)4, 5  
5.3 Test Method E162 is a generic version of this test method, using an apparatus that is substantially the same as the one used in this test method. However, Test Method E162 is normally intended for application to specimens other than flexible cellular materials.  
5.3.1 The pilot burner in this test method is different from the pilot burner in Test Method E162.  
5.4 In this procedure, the specimens are subjected to one or more specific sets of laboratory fire test conditions. If different test conditions are substituted or the end-use conditions are changed, it is not always possible by or from this test to predict changes in the fire-test-response characteristics measured. Therefore, the results are valid only for the fire test exposure conditions described in this procedure.  
5.5 If the test results obtained by this test method are to be considered as part of an overall assessment of fire hazard in a building or structure, then the criteria, concepts and procedures incorporated into Guide E1546 shall be taken into consideration.
SCOPE
1.1 This is a fire test response standard.  
1.2 This test method describes the measurement of surface flammability of flexible cellular materials.  
1.3 This standard measures and describes the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not, by itself, incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
1.6 Specific information about hazards is given in Section 7.
Note 1: There is no known ISO equivalent to this standard.  
1.7 The values stated in SI units are to be regarded as the standard. The values stated in inch-pound units, in parentheses, are for information only and are approximations (see also IEEE/ASTM SI-10).  
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D3768-22(Test Method)
Standard Test Method for Microcellular Urethanes—Flexural Recovery

SIGNIFICANCE AND USE
4.1 This test method is used to indicate the ability of a material to recover after a 180° bend around a 12.7-mm (0.5-in.) diameter mandrel at room temperature.  
4.2 Before proceeding with this test method, reference shall be made to any specification for the material being tested. Any test specimen preparation, conditioning, or dimensions, or combination thereof, and testing parameters covered in the materials specification shall take precedence over those mentioned in these test methods. If there are no material specifications, then the default conditions apply.
Note 2: This test method is applicable to solid urethanes.
SCOPE
1.1 This test method covers the procedure and apparatus for measuring the flexural recovery of microcellular urethanes.  
1.2 The values stated in SI units are to be regarded as 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Note 1: There is no known ISO equivalent to this standard.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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