ASTM F148-02(2007)
(Test Method)Standard Test Method for Binder Durability of Cork Composition Gasket Materials
Standard Test Method for Binder Durability of Cork Composition Gasket Materials
SIGNIFICANCE AND USE
This test method is designed to measure the chemical cure of the binder used in the manufacture of cork compositions. The results of this test method can be used only as a guide for its intended service in elevated temperature and environmental conditions.
SCOPE
1.1 This test method covers three procedures for determination of the binder durability of cork-containing materials.
1.2 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.
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Designation: F148 − 02(Reapproved 2007)
Standard Test Method for
Binder Durability of Cork Composition Gasket Materials
ThisstandardisissuedunderthefixeddesignationF148;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.
1. Scope 6. Hazards
1.1 This test method covers three procedures for determi- 6.1 Conduct this test method inside a laboratory hood with
nation of the binder durability of cork-containing materials. a strong draft.
1.2 This standard does not purport to address all of the
6.2 Place several glass boiling chips or stones into the
safety concerns, if any, associated with its use. It is the
Erlenmeyer flask to ensure smooth boiling where needed.
responsibility of the user of this standard to establish appro-
6.3 The tester conducting this test method should be
priate safety and health practices and determine the applica-
equipped with suitable eye protection, acid-resistant gloves,
bility of regulatory limitations prior to use.
and apron or laboratory coat.
6.4 The Erlenmeyer flask should be thoroughly cooled
2. Terminology
before handling so as to prevent the possibility of a burn.
2.1 Definitions:
2.1.1 disintegration—the loss of binder cohesiveness result-
7. Test Specimens
ing in the specimen being reduced to separated cork granules.
7.1 Test specimens shall be circular disks approximately 28
mm (1.1 in.) in diameter.
3. Summary of Test Method
7.2 Test specimen thickness shall be as agreed upon be-
3.1 Specimen of the material are subjected to specific fluids
tween the producer and the user. A nominal thickness of 3.175
to determine the chemical durability of the binder by visual
mm (0.125 in.) is commonly used.
examination for disintegration.
8. Conditioning
4. Significance and Use
8.1 Condition specimens for at least 46 h prior to testing in
4.1 This test method is designed to measure the chemical
a cabinet or room with air circulation at 21 to 30°C (70 to
cure of the binder used in the manufacture of cork composi-
85°F) and 50 to 55 % relative humidity.
tions. The results of this test method can be used only as a
9. Procedures
guide for its intended service in elevated temperature and
environmental conditions.
9.1 Procedure A, Water-Flotation Test—Place 75 mL of
distilled water in the Erlenmeyer flask and bring the fluid to a
5. Apparatus
rolling boil. Then insert three test specimens in the flask atop
2 2
the fluid and test for a period of 3 h. At the conclusion of the
5.1 Die, 645.2 mm (1 in. ) in area, circular (28.6 mm (1.13
test, examine the specimens for any signs of disintegration.
in.) in diameter).
9.2 Procedure B,Acid-Flotation Test—Using an Erlenmeyer
5.2 Reflux Condenser and Erlenmeyer Flask, ground-glass,
flask with a reflux condenser on top, place 75 mL of hydro-
250-mL capacity.
chloric acid solution (35 % by weight concentration) in the
5.3 Metal Containers with Lids.
Erlenmeyer flask and bring the solution to a rolling boil. T
...
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:F148 – 95 Designation:F148 –02 (Reapproved 2007)
Standard Test Method for
Binder Durability of Cork Composition Gasket Materials
This standard is issued under the fixed designation F 148; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers three procedures for determination of the binder durability of cork-containing materials.
1.2 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.
2. Terminology
2.1 Definition:
2.1.1 disintegration—the loss of binder cohesiveness resulting in the specimen being reduced to separated cork granules.
3. Summary of Test Method
3.1A specimen of the material is subjected to specific fluids that discriminate as to the chemical durability of the binder by
reflecting degrees of resistance to disintegration.
3.1 Specimen of the material are subjected to specific fluids to determine the chemical durability of the binder by visual
examination for disintegration.
4. Significance and Use
4.1 This test method is designed to measure the chemical cure of the binder used in the manufacture of cork compositions. The
results of this test method can be used only as a guide for its intended service in elevated temperature and environmental
conditions.
5. Apparatus
2 2
5.1 Die, 645.2 mm (1 in. ) in area, circular (28.6 mm (1.13 in.) in diameter).
5.2 Reflux Condenser and Erlenmeyer Flask, ground-glass, 250-mL capacity.
5.3 Metal Containers with Lids .
5.4 Circulating Hot-Air Oven, maintained at 100 6 1°C (212 6 2°F).
5.5 Laboratory Hood with Strong Draft.
6. Hazards
6.1 Conduct this test method inside a laboratory hood with a strong draft.
6.2 Place several glass boiling chips or stones into the Erlenmeyer flask to ensure smooth boiling where needed.
6.3 The tester conducting this test method should be equipped with suitable eye protection, acid-resistant gloves, and apron or
laboratory coat.
6.4 The Erlenmeyer flask should be thoroughly cooled before handling so as to prevent the possibility of a burn.
7. Test Specimens
7.1 Test specimens shall be circular disks approximately 28 mm (1.1 in.) in diameter.
7.2 Testspecimenthicknessshallbeasagreeduponbetweentheproducerandtheuser.Anominalthicknessof3.175mm(0.125
in.) is commonly used.
This test method is under the jurisdiction of ASTM Committee F-3F03 on Gaskets and is the direct responsibility of Subcommittee F03.40 on Chemical Test Methods
.
Current edition approved Jan.Oct. 15, 1995.2007. Published March 1995.January 2008. Originally published as F148–72.approved in 1972. Last previous edition
F148–89.approved in 2002 as F 148 – 02.
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