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ASTM D6576-13

(Specification)

Standard Specification for Flexible Cellular Rubber Chemically Blown

Standard Specification for Flexible Cellular Rubber Chemically Blown

ABSTRACT
This specification establishes requirements for chemically blown cellular rubber. Cellular rubber may be classified into two types: Type I which is open cell or sponge rubber and Type II which is closed cell or expanded rubber. Both types are divided into three grades: Grade A which is oil-and flame-resistant, Grade B which has no requirements for oil ,flame resistance, or low temperature, and Grade C which is low-temperature resistant. Each type and class has been divided into three different conditions. Each condition is based on a specific range of firmness as expressed by compression deflection as follows: super soft, soft, soft-medium, medium, medium-firm, and firm conditions. Several tests shall be performed in order to determine the following physical properties of cellular rubber: compression deflection, low-temperature resistance, accelerated aging, recovery, flame resistance, shrinkage, water absorption, oil aging, and color.
SCOPE
1.1 This specification establishes requirements for chemically blown cellular rubber.  
1.2 In the case of conflict between the provisions of this specification and those of detailed specifications or test methods for a particular product, the latter shall take precedence.  
1.3 Unless specifically stated otherwise, by agreement between the purchaser and the supplier, all test methods shall be performed in accordance with the test methods specified in this specification.  
1.4 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.  
1.5 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.  
1.6 There is no known ISO equivalent to this specification.Note 1—This specification was revised using the updated test methods and specifications in the latest version of Specification D1056.

General Information

Status
Historical
Publication Date
14-Nov-2013
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 D6576-07 - Standard Specification for Flexible Cellular Rubber Chemically Blown
Effective Date
15-Nov-2013
Referred By
ASTM D3676-18 - Standard Specification for Rubber Cellular Cushion Used for Carpet or Rug Underlay
Effective Date
15-Nov-2013

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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:D6576 −13
Standard Specification for
1
Flexible Cellular Rubber Chemically Blown
This standard is issued under the fixed designation D6576; 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* D1056 Specification for Flexible Cellular Materials—
Sponge or Expanded Rubber
1.1 This specification establishes requirements for chemi-
E177 Practice for Use of the Terms Precision and Bias in
cally blown cellular rubber.
ASTM Test Methods
1.2 In the case of conflict between the provisions of this
E691 Practice for Conducting an Interlaboratory Study to
specification and those of detailed specifications or test meth-
Determine the Precision of a Test Method
ods for a particular product, the latter shall take precedence.
3
2.2 SAE Standard:
1.3 Unless specifically stated otherwise, by agreement be-
SAE J 1351-1993 Hot Odor Test for Insulation Materials
tween the purchaser and the supplier, all test methods shall be 4
2.3 Military Standards/Specifications:
performed in accordance with the test methods specified in this
MIL STD 105 Sampling Procedures and Tables for Inspec-
specification.
tion by Attributes
1.4 The values stated in SI units are to be regarded as the MIL STD 129 Marking for Shipment and Storage
standard. The inch-pound units given in parentheses are for MIL STD 293 Visual Inspection Guide for Cellular Rubber
information only. Items
MIL R 6130C Standard Specification for Flexible Cellular
1.5 This standard does not purport to address all of the
Rubber Chemically Blown
safety concerns, if any, associated with its use. It is the
4
2.4 Federal Standards/Specifications:
responsibility of the user of this standard to establish appro-
PPP-B576 Box, Wood, Cleated, Veneer, Paper Overlaid
priate safety and health practices and determine the applica-
PPP-B591 Box, Fiberboard, Wood-Cleated
bility of regulatory limitations prior to use.
PPP-B601 Box, Wood, Cleated Plywood
1.6 There is no known ISO equivalent to this specification.
PPP-B621 Box, Wood, Nailed and Lock-Corner
NOTE 1—This specification was revised using the updated test methods
PPP-B636 Box, Shipping, Fiberboard
and specifications in the latest version of Specification D1056.
2. Referenced Documents
3. Terminology
2
2.1 ASTM Standards:
3.1 For definitions of technical terms pertaining to cellular
D297 Test Methods for Rubber Products—ChemicalAnaly-
flexible rubber used in this specification, refer to Terminology
sis
D883.
D471 Test Method for Rubber Property—Effect of Liquids
3.2 Definitions:
D635 Test Method for Rate of Burning and/or Extent and
3.2.1 cellular material—a generic term for materials con-
Time of Burning of Plastics in a Horizontal Position
taining many cells (either open or closed, or both) dispersed
D883 Terminology Relating to Plastics
throughout the mass.
D1055 SpecificationsforFlexibleCellularMaterials—Latex
3.2.2 closed cell—a product whose cells are totally enclosed
Foam
by its walls and hence not interconnecting with other cells.
3.2.3 open cell—a product whose cells are not totally
1
This specification is under the jurisdiction of ASTM Committee D20 on
Plastics and is the direct responsibility of Subcommittee D20.22 on Cellular enclosed by its walls and open to the surface, either directly or
Materials - Plastics and Elastomers.
by interconnecting with other cells.
Current edition approved Nov. 15, 2013. Published December 2013. Originally
approved in 2000. Last previous edition approved in 2007 as D6576 - 07. DOI:
10.1520/D6576-13.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Society of Automotive Engineers (SAE), 400 Commonwealth
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Dr., Warrendale, PA 15096-0001, http://www.sae.org.
4
Standards volume information, refer to the standard’s Document Summary page on AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
the ASTM website. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*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 ----------------------
D6576−13
4. Classification ture. Type I shall have skin or rind. It is acceptable for Type II
to have or not have skin or rind.
4.1 Types—This specification covers two types of cellular
rubber designated as follows: 6.5 Cut or Split Sheets (Type II Only)—When two or more
4.1.1 Type I—Open ce
...

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: D6576 − 07 D6576 − 13
Standard Specification for
1
Flexible Cellular Rubber Chemically Blown
This standard is issued under the fixed designation D6576; 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 Scope*
1.1 This specification establishes requirements for chemically blown cellular rubber.
1.2 In the case of conflict between the provisions of this specification and those of detailed specifications or test methods for
a particular product, the latter shall take precedence.
1.3 Unless specifically stated otherwise, by agreement between the purchaser and the supplier, all test methods shall be
performed in accordance with the test methods specified in this specification.
1.4 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for
information only.
1.5 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.
1.6 There is no known ISO equivalent to this specification.
NOTE 1—This specification was revised using the updated test methods and specifications in the latest version of Specification D1056 – 07. .
2. Referenced Documents
2
2.1 ASTM Standards:
D297 Test Methods for Rubber Products—Chemical Analysis
D471 Test Method for Rubber Property—Effect of Liquids
D635 Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position
D883 Terminology Relating to Plastics
D1055 Specifications for Flexible Cellular Materials—Latex Foam
D1056 Specification for Flexible Cellular Materials—Sponge or Expanded Rubber
D3575E177 Test Methods for Flexible Cellular Materials Made From Olefin PolymersPractice for Use of the Terms Precision
and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3
2.2 SAE Standard:
SAE J 1351-1993 Hot Odor Test for Insulation Materials
4
2.3 Military Standards/Specifications:
MIL STD 105 Sampling Procedures and Tables for Inspection by Attributes
MIL STD 129 Marking for Shipment and Storage
MIL STD 293 Visual Inspection Guide for Cellular Rubber Items
MIL R 6130C Standard Specification for Flexible Cellular Rubber Chemically Blown
1
This specification 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 Sept. 1, 2007Nov. 15, 2013. Published October 2007December 2013. Originally approved in 2000. Last previous edition approved in 20002007
as D6576 - 00.D6576 - 07. DOI: 10.1520/D6576-07.10.1520/D6576-13.
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 Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://www.sae.org.
4
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*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 ----------------------
D6576 − 13
4
2.4 Federal Standards/Specifications:
PPP-B576 Box, Wood, Cleated, Veneer, Paper Overlaid
PPP-B591 Box, Fiberboard, Wood-Cleated
PPP-B601 Box, Wood, Cleated Plywood
PPP-B621 Box, Wood, Nailed and Lock-Corner
PPP-B636 Box, Shipping, Fiberboard
3. Terminology
3.1 For definitions of technical terms pertaining to cellular flexible rubber used in this specification, refer to Terminology D883.
3.2 Definitions:
3.2.1 cellular material—a generic term for materials containing many cells (either open or closed, or both) dispersed throughout
the mass.
3.2.2 closed cell—a product whose cells are totally enclosed by its walls and hence not interconnecting with other cells.
3.
...

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5.3.1 The pilot burner in this test method is different from the pilot burner in Test Method E162.  
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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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  • Standard
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