ASTM D1667-97

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Designation: D 1667 – 97
Standard Specification for
Flexible Cellular Materials—Vinyl Chloride Polymers and
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Copolymers (Closed-Cell Foam)
This standard is issued under the fixed designation D1667; 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 (e) indicates an editorial change since the last revision or reapproval.
This specification has been approved for use by agencies of the Department of Defense.
1. Scope * D 1056 Specification for Flexible Cellular Materials—
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Sponge or Expanded Rubber
1.1 This specification covers flexible closed-cell or nonin-
terconnectingcellularproducts,theelastomercontentofwhich
3. Terminology
is predominantly poly(vinyl chloride) or copolymers thereof.
3.1 Definitions of Terms Specific to This Standard:
1.2 In the case of conflict between the provisions of this
3.1.1 closed cell—an expanded structure consisting of a
specification and those of detailed specifications or methods of
multitude of individual, nonconnecting, gas-tight cells.
test for a particular product, the latter shall take precedence.
3.1.2 flexible cellular material—a cellular organic poly-
1.3 Reference to the methods for testing closed-cell poly-
meric material which will not rupture when a specimen 200 by
(vinyl chloride) contained herein should specifically state the
25 by 25 mm (8 by 1 by 1 in.) is bent around at 25-mm (1-in.)
particular test or tests desired and not refer to these methods of
diameter mandrel at a uniform rate of one lap in 5 s at a
test as a whole.
temperature between 18 and 29°C (65 and 85°F).
1.4 The values stated in SI units are to be regarded as the
3.1.3 surface skin—the smooth surface on the material
standard. The inch-pound units given in parentheses are for
formed during manufacture by contact with the molds, cover
information only.
plate, or air.
1.5 The following precautionary statement pertains to the
3.1.4 V—the ASTM symbol designating nonrigid vinyl
test method portions only of this specification: This standard
cellular plastics.
does not purport to address all of the safety concerns, if any,
3.1.5 vinyl or PVC—these terms refer to poly(vinyl chlo-
associated with its use. It is the responsibility of the user of this
ride) or copolymers thereof.
standard to establish appropriate safety and health practices
and determine the applicability of regulatory limitations prior
4. Materials and Manufacture
to use.
4.1 Closed-cell vinyl is produced in sheet, strip, molded, or
NOTE 1—There is no equivalent ISO standard.
simple specific shapes.
2. Referenced Documents
5. Grades of Closed-Cell Vinyl or PVC-Symbol VE
2.1 ASTM Standards:
5.1 Closed-cell vinyl shall be designated by two symbol
D395 Test Methods for Rubber Property—Compression
letters VE, indicating V for vinyl and E for closed cell. The
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Set
grade shall be designated by two digits, the first of which
D573 Test Method for Rubber—Deterioration in an Air
designates closed cell, and the second of which indicates the
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Oven
degree of firmness, the softer grades being identified with the
lower numbers and the firmer grades with the higher numbers.
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This specification is under the jurisdiction of ASTM Committee D-20 on NOTE 2—Examples—VE-41 is a closed cell (expanded) vinyl of soft
Plastics and is the direct responsibility of Subcommittee D20.22 on Cellular
grade (see Table 1).
Materials—Plastics and Elastomers.
Current edition approved July 10, 1997. Published May 1998. Originally
published as D1667–59. Last previous edition D1667–76 (1990).
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Annual Book of ASTM Standards, Vol 09.01. Annual Book of ASTM Standards, Vol 08.01.
*ASummary 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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D 1667
TABLE 1 Physical Requirements of Closed Cell Vinyl Products,
thereof, together with the added compounding ingredients of
Type VE
such nature and quality that the finished product complies with
Basic Requirements Requirements Added by Suffix Letters
the specification requirements. In permitting a choice in use of
Compression
materials by the manufacturer, it is not intended to imply that
Deflection, Suffix L Water Absorption,
the different materials are equivalent in respect to all physical
Suffix B
25 % max
properties. Any special characteristics, other than those pre-
Deflection
scribed in this specification, which may be desired for specific
Compression
Set, 25 % applicationsshallbedesignatedintheproductspecificationsas
Deflection,
they may influence the choice of the type of poly(vinyl
22hat
2 2
Grade kg/m cut lb/ft cut
chloride) or other ingredien
...