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ASTM F36-99(2009)

(Test Method)

Standard Test Method for Compressibility and Recovery of Gasket Materials

Standard Test Method for Compressibility and Recovery of Gasket Materials

ABSTRACT
This test method covers determination of the short-time compressibility and recovery at room temperature of sheet-gasket materials, form-in-place gaskets, and in certain cases, gaskets cut from sheets. The test shall be conducted with both specimen and apparatus at a required temperature. The compressibility and recovery shall be calculated.
SCOPE
1.1 This test method covers determination of the short-time compressibility and recovery at room temperature of sheet-gasket materials, form-in-place gaskets, and in certain cases, gaskets cut from sheets. It is not intended as a test for compressibility under prolonged stress application, generally referred to as “creep,” or for recovery following such prolonged stress application, the inverse of which is generally referred to as “compression set.” Also, it is not intended for tests at other than room temperature. A resiliency characteristic (the amount recovered expressed as a percentage of the compressed thickness) may also be calculated from the test data where desired.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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.

General Information

Status
Historical
Publication Date
30-Sep-2009
ICS
23.100.60 - Filters, seals and contamination of fluids
73.080 - Non-metalliferous minerals
Technical Committee
F03 - Gaskets
Drafting Committee
F03.20 - Mechanical Test Methods
Current Stage
Ref Project

Relations

Replaces
ASTM F36-99(2003) - Standard Test Method for Compressibility and Recovery of Gasket Materials
Effective Date
01-Oct-2009
Referred By
ASTM F146-12(2019)e1 - Standard Test Methods for Fluid Resistance of Gasket Materials
Effective Date
01-Oct-2009
Referred By
ASTM F104-11(2020) - Standard Classification System for Nonmetallic Gasket Materials
Effective Date
01-Oct-2009

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ASTM F36-99(2009) - Standard Test Method for Compressibility and Recovery of Gasket MaterialsASTM F36-99(2009) - Standard Test Method for Compressibility and Recovery of Gasket Materials
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ASTM F36-99(2009) - Standard Test Method for Compressibility and Recovery of Gasket Materials
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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: F36 − 99(Reapproved 2009)
Standard Test Method for
1
Compressibility and Recovery of Gasket Materials
This standard is issued under the fixed designation F36; 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.Asuperscript
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 3.1.1 Anvil—A hardened and ground surface of 31.7 mm
(1.250 in.) minimum diameter.
1.1 This test method covers determination of the short-time
3.1.2 Penetrator—A steel cylinder of diameter (within 6
compressibility and recovery at room temperature of sheet-
0.025 mm (0.001 in.)) specified for the type of material being
gasket materials, form-in-place gaskets, and in certain cases,
tested, with the cylinder end hardened and ground. Penetrator
gaskets cut from sheets. It is not intended as a test for
diameters for various types of gasket materials are as shown in
compressibility under prolonged stress application, generally
Table 1, unless otherwise specified.
referred to as “creep,” or for recovery following such pro-
3.1.3 Dial—An indicating dial, or dials, graduated in 0.025
longed stress application, the inverse of which is generally
mm (0.001 in.) to show the thickness of the specimen during
referred to as “compression set.” Also, it is not intended for
the test. Readings shall be estimated to the nearest 0.002 mm
tests at other than room temperature.Aresiliency characteristic
(0.0001 in.).
(the amount recovered expressed as a percentage of the
compressed thickness) may also be calculated from the test
3.1.4 Preload—Apreload which shall include the weight of
data where desired. the penetrator itself and added weights to give the value
specified within 61 %. Preloads for various types of gasket
1.2 The values stated in SI units are to be regarded as the
materials are as shown in Table 1, unless otherwise specified.
standard. The values given in parentheses are for information
3.1.5 Loading Device— A device for applying a specified
only.
major load to the upper end of the penetrator, which may
1.3 This standard does not purport to address all of the
consist of an arrangement of dead weights, a hydraulic
safety concerns, if any, associated with its use. It is the
cylinder, an air cylinder, or any other device capable of
responsibility of the user of this standard to establish appro-
applying the major load at a slow uniform rate and to an
priate safety and health practices and determine the applica-
accuracy of 61 %. The major load shall be in addition to the
bility of regulatory limitations prior to use.
specified preload. Major loads for various types of gasket
materials are as shown in Table 1, unless otherwise specified.
2. Referenced Documents
2
2.1 ASTM Standards:
4. Test Specimen
E691 Practice for Conducting an Interlaboratory Study to
Determine the Precision of a Test Method
4.1 The test specimen in ProceduresAthrough K, inclusive,
2
F104 Classification System for Nonmetallic Gasket Materi-
as described in Table 1, shall have a minimum area of 6.5 cm
2
als
(1 in. ) in the form of a square, except in the case of cork
composition, and cork and cellular rubber materials, which
3. Apparatus 2
shall have a test specimen in the form of a circle 6.5 cm in
3
3.1 The testing machine shall consist of the following
area.Thetestspecimenshallconsistofasingleplyoranumber
components: of superimposed plies sufficient to give a minimum nominal
1
thickness of 1.6 mm ( ⁄16 in.) for all materials except cork
1 composition, cork and rubber materials, and cork and cellular
This test method is under the jurisdiction ofASTM Committee F03 on Gaskets
and is the direct responsibility of Subcommittee F03.20 on Mechanical Test
rubber materials, for which the minimum nominal thickness
Methods.
1
shall be 3.2 mm ( ⁄8 in.). If applied to specimens outside of the
Current edition approved Oct. 1, 2009. Published March 2010. Originally
test thicknesses, the results shall be regarded merely as
approved in 1951. Redesignated F36 in 1963. Last previous edition approved in
indicative. For specification purposes, agreement on compress-
2003 as F36 – 99 (2003). DOI: 10.1520/F0036-99R09.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ibility and recovery figures shall be reached between producer
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
and consumer for those materials whose thickness in a single
Standards volume information, refer to the standard’s Document Summary page on
ply or multiple plies does not fall within the tolerances of the
the ASTM website.
3
Contact ASTM for a list
...

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5.1 This practice is designed to compare related materials under controlled conditions and their ability to maintain a minimum amount of thermal conductance. Test results should be correlated with field results in order to predict heat transfer properties in particular applications.  
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1.5 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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