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ASTM F147-87(2003)

(Test Method)

Standard Test Method for Flexibility of Non-Metallic Gasket Materials

Standard Test Method for Flexibility of Non-Metallic Gasket Materials

SIGNIFICANCE AND USE
This test method is designed to measure the ability of non-metallic gasket materials to withstand handling, as would be encountered before and during installation of cut gaskets.
SCOPE
1.1 This test method covers the determination of the flexibility of non-metallic gasket materials. It is designed for testing specimens cut from sheet goods or from the gasket in the finished form, as supplied for commercial use. Materials normally classified as rubber compounds are excluded since they are covered in Classification D 2000.  
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-2003
ICS
21.140 - Seals, glands
Technical Committee
F03 - Gaskets
Drafting Committee
F03.20 - Mechanical Test Methods
Current Stage
Ref Project

Relations

Replaces
ASTM F147-87(1997) - Standard Test Method for Flexibility of Non-Metallic Gasket Materials
Effective Date
01-Oct-2003
Replaced By
ASTM F147-87(2009) - Standard Test Method for Flexibility of Non-Metallic 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-2003
Referred By
ASTM F104-11(2020) - Standard Classification System for Nonmetallic Gasket Materials
Effective Date
01-Oct-2003

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ASTM F147-87(2003) - Standard Test Method for Flexibility of Non-Metallic Gasket MaterialsASTM F147-87(2003) - Standard Test Method for Flexibility of Non-Metallic Gasket Materials
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ASTM F147-87(2003) - Standard Test Method for Flexibility of Non-Metallic Gasket Materials
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:F147–87 (Reapproved 2003)
Standard Test Method for
Flexibility of Non-Metallic Gasket Materials
ThisstandardisissuedunderthefixeddesignationF147;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
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 ronments. Tests may also be conducted after immersion in
various fluids in accordance with Test Method F146.
1.1 This test method covers the determination of the flex-
ibility of non-metallic gasket materials. It is designed for
4. Significance and Use
testing specimens cut from sheet goods or from the gasket in
4.1 This test method is designed to measure the ability of
the finished form, as supplied for commercial use. Materials
non-metallic gasket materials to withstand handling, as would
normally classified as rubber compounds are excluded since
be encountered before and during installation of cut gaskets.
they are covered in Classification D2000.
1.2 The values stated in SI units are to be regarded as the
5. Apparatus
standard. The values given in parentheses are for information
5.1 Steel Die, 12.7 by 154.4 mm (0.5 by 6 in.).
only.
5.2 Circulating-Hot-Air Oven, maintained at 100 6 1°C
1.3 This standard does not purport to address all of the
(212 6 2°F).
safety concerns, if any, associated with its use. It is the
5.3 Cold Box, capable of maintaining − 40 6 1°C (−40 6
responsibility of the user of this standard to establish appro-
2°F).
priate safety and health practices and determine the applica-
5.4 Mandrels, a series with diameters ranging from 4.8 to
bility of regulatory limitations prior to use.
101.6 mm ( ⁄16 to 4 in.).
2. Referenced Documents
6. Test Specimens
2.1 ASTM Standards:
6.1 The specimens shall be cleanly die-cut to provide sharp
D2000 Classification System for Rubber Products in Auto-
edges, free of tears, nicks, or abraded particles. The minimum
motive Applications
thickness for asbestos (Type 1) and synthetic (Type 7) fiber
F104 Classification System for Nonmetallic Gasket Mate-
containing materials shall be 0.4 mm (0.016 in.) and a
rials
maximum thickness of 6.3 mm (0.250 in.). The minimum
F146 TestMethodsforFluidResistanceofGasketMaterials
thicknessforcork(Type2)compositionshallbe3.2mm(0.125
3. Summary of Test Method in.) and 1.6 mm (0.062 in.) for cork-rubber materials, with a
maximum thickness of 4.8 mm (0.186 in.). The minimum
3.1 A specimen of the material is bent 180° around a
thickness for cellulose (Type 3) gasket materials shall be 0.127
mandrel of appropriate size relative to its thickness. Materials
mm (0.005 in.) and the maximum thickness shall be 1.6 mm
willbetestedbothwithandacrossgrainonmaterialwithgrain
(0.062 in.).The minimum thickness for flexible graphite (Type
orientation. An elevated-temperature exposure conditioning is
5) shall be 0.127 mm (0.005 in.) and a maximum of 0.8 mm
used to simulate shelf life.Alow-temperature exposure condi-
(0.031 in.).
tioning is used to simulate handling at low-temperature envi-
7. Conditioning
ThistestmethodisunderthejurisdictionofASTMCommitteeF03onGaskets,
7.1 Condition specimens in accordance with Classification
and is the direct responsibility of Subcommittee F03.20 on Mechanical Test
System F104.
Methods.
Current edition approved Oct. 1, 2003. Published October 2003. Originally
8. Temperature of Test
approved in 1972. Last previous edition approved in 1997 as F147 – 87 (1997).
DOI: 10.1520/F0147-87R03.
8.1 Tests will be conducted on specimens that are at a
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
temperature of 21 to 29°C (70 to 85°
...

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SCOPE
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1.1 This test method covers the evaluation of the sealing properties of enveloped gaskets for use with corrosion-resistant process equipment.2 Enveloped gaskets are described as gaskets having some corrosion-resistant covering over the internal area normally exposed to the corrosive environment. The shield material may be plastic (such as polytetrafluoroethylene) or metal (such as tantalum). A resilient conformable filler is usually used inside the envelope. The design and construction of nonmetallic gaskets is covered in Practice F336.  
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2.1 Weight loss represents the amount of combustibles and volatiles of the material at various temperatures between 315°C (600°F) and 815°C (1499°F). This procedure should not be used to determine percent of binder content.
SCOPE
1.1 This test method covers the determination of gasket material weight loss upon exposure to elevated temperatures.  
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1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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.  
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