ASTM D4819-13(2021)e1

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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Designation:D4819 −13 (Reapproved 2021)
Standard Specification for
Flexible Cellular Materials Made From Polyolefin Plastics
This standard is issued under the fixed designation D4819; 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.
ε NOTE—Reapproved and editorially revised in July 2021.
1. Scope* 2. Referenced Documents
2.1 ASTM Standards:
1.1 This specification applies to flexible closed-cell materi-
C518 Test Method for Steady-State Thermal Transmission
als made from polyolefin plastics and blends of polyolefin
Properties by Means of the Heat Flow Meter Apparatus
plastics as defined in Section 3.
D412 Test Methods forVulcanized Rubber andThermoplas-
1.2 Extruded or molded shapes too small to permit the
tic Elastomers—Tension
cuttingofstandardtestspecimensaredifficulttoclassifyortest
D624 Test Method for Tear Strength of Conventional Vul-
by standard test methods and will usually require special
canized Rubber and Thermoplastic Elastomers
testing procedures or the use of standard test sheets.
D1596 Test Method for Dynamic Shock Cushioning Char-
acteristics of Packaging Material
1.3 In case of conflict between the provisions of this
D2863 Test Method for Measuring the Minimum Oxygen
specification and those of detailed specifications for a particu-
Concentration to Support Candle-Like Combustion of
lar product, the latter shall take precedence. These detailed
Plastics (Oxygen Index)
specifications for the flexible closed-cell polyolefin plastic
D3575 Test Methods for Flexible Cellular Materials Made
foams shall state the particular test or tests desired.
from Olefin Polymers
E96/E96M Test Methods for Water Vapor Transmission of
1.4 In cases involving referee decisions, SI units shall be
Materials
used.
F355 TestMethodforImpactAttenuationofPlayingSurface
1.5 This specification does not contain test procedures or
Systems, Other Protective Sport Systems, and Materials
values for all the suffix letters listed in Table 1 and Table 2.
Used for Athletics, Recreation and Play
Where the procedure is not described in this specification or
2.2 Federal Motor Vehicle Safety Standard:
special limits are desired, or both, the test procedures and
49CFR571.302-StandardNo.302 FlammabilityofVehicle
values must be arranged between the purchaser and the
Interior Materials—Passenger Cars, Multipurpose Passen-
supplier. 3
ger Vehicles, Trucks and Buses
2.3 UL Standard:
1.6 The values stated in SI units are to be regarded as the
UL1191 Standard for Components for Personal Flotation
standard. The values given in parentheses are for information
Devices
only.
NOTE 1—There is no known ISO equivalent to this standard.
3. Terminology
1.7 This international standard was developed in accor-
3.1 Definitions:
dance with internationally recognized principles on standard-
3.1.1 blend—mixture of polyolefin plastic(s) with other
ization established in the Decision on Principles for the
polymer(s) in which at least 51 mass % is the polyolefin
Development of International Standards, Guides and Recom-
plastic(s).
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
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
This specification is under the jurisdiction of ASTM Committee D20 on the ASTM website.
Plastics and is the direct responsibility of Subcommittee D20.22 on Cellular Available from Superintendent of Documents, U.S. Government Printing
Materials - Plastics and Elastomers. Office, Washington DC, 20402-9371 (website: hazmat.dot.gov), or https://
Current edition approved July 1, 2021. Published July 2021. Originally approved www.ecfr.gov/cgi-bin/ECFR?page=browse
in 1988. Last previous edition approved in 2013 as D4819 - 13. DOI: 10.1520/ Available from Underwriters Laboratories (UL), Corporate Progress, 333
D4819-13R21. Pfingsten Rd., Northbrook, IL 60062.
*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
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D4819−13 (2021)
TABLE 1 Suffix Letter Designations NOTE 2—Examples of the classification system are as follows:
Specification D4819 Type I—B4D4M 3T 5T 7W6Z is a crosslinked
1 1 2 1
A Heat resistance
foam with a maximum compression set of 15 %, a minimum compression
B Compression set under constant deflection
deflection of 70 kPa (10 psi), an oxygen index of 20 % minimum,
C Ozone or weather resistance
D Compression deflection minimum tensile strength of 415 kPa (60 psi), minimum ultimate
3 3
E Oil resistance
elongation of 200 %, a nominal density of 80 kg/m (5.0 lb/ft ), and a
F Low temperature
special requirement to be negotiated by the vendor and user.
G Tear resistance
Specification D4819 Type II—D4T 3T 4R 5BB4Z Z is a non-
1 2 2 1 2
H Flex resistance
crosslinked foam with a compression deflection of 70 kPa (10 psi)
I Not assigned
minimum, a minimum tensile strength of 275 kPa (40 psi), minimum
J Abrasion resistance
ultimate elongation of 75 %, shock absorption of 100 G’s maximum,
K Adhesion capability
compressive creep of 6 % maximum, and two special requirements.
L Water absorption
M Flammability resistance
N Impact resistance
5. Ordering Information
O Electrical properties
P Staining resistance
5.1 When ordering, the product shall be described by
Q Not assigned
showing the type and suffix letters and number designations as
R Resilience
described in Section 4.
R Shock absorption
S Thermal stability
5.2 Minimum recommended properties for either type of
T Tensile strength
foam shall include requirements for Compression Deflection
T Ultimate elongation
U Not assigned
(Suffix D), Tensile Strength (Suffix T ), and Ultimate Elonga-
V Thermal conductivity
tion (Suffix T ).
W Density
X Not assigned
5.3 The properties selected and values set shall be selected
Y Not assigned
to ensure the required performance of the end product.
Z Special requirements
AA Buoyancy
5.4 Specialrequirementsshallbelisted.Testproceduresand
BB Compressive creep
limits shall be established by negotiation between the pur-
CC Dynamic cushioning
DD Open cell
chaser and the supplier. Each special requirement shall be
EE Not assigned
listed as Z suffix letters followed by numerical subscripts.
FF Water vapor transmission
6. Materials and Manufacture
6.1 Cellular polyolefin foams furnished under this specifi-
3.1.2 polyolefin plastics—material based on polymers made
cation shall be manufactured from any resin or blend of resins
by the polymerization of olefins or copolymerization of olefins
that are members of the polyolefin family together with added
with other polymers, the polyolefin being at least 51 mass %.
compounding materials of such a nature and quality that the
3.1.3 resin—solid, semi-solid, or pseudo-solid organic ma-
finished product complies with this specification. In permitting
terial that has an indefinite and often high molecular weight,
choice in use of those materials by the producer, it is not
exhibits a tendency to flow when subject to stress, usually has
intended to imply that the different resins are equivalent with
a softening or melting range, and usually fractures conchoid-
respect to all physical properties. Special characteristics other
ally.
than those prescribe
...