ASTM C907-03(2008)
(Test Method)Standard Test Method for Tensile Adhesive Strength of Preformed Tape Sealants by Disk Method
Standard Test Method for Tensile Adhesive Strength of Preformed Tape Sealants by Disk Method
SIGNIFICANCE AND USE
Preformed tape sealants are tacky, deformable solids, that are used under compression between two or more substrates, in various sealing applications where the surfaces may be of similar or dissimilar materials. This procedure measures the tensile strength of the preformed tape sealant. It also provides an indication of the cohesive nature and adhesive bonding properties of the preformed tape sealant. This procedure is not intended to simulate actual use conditions.
SCOPE
1.1 This test method covers a laboratory procedure for determining the tensile adhesive strength of a preformed tape sealant. The type of failure can be determined, and the degree of cohesive/adhesive failure can be estimated.
1.2 The values stated in metric (SI) units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
1.3 The subcommittee with jurisdiction is not aware of any similar ISO standard.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: C907 − 03(Reapproved 2008)
Standard Test Method for
Tensile Adhesive Strength of Preformed Tape Sealants by
Disk Method
This standard is issued under the fixed designation C907; 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.
1. Scope 5. Significance and Use
1.1 This test method covers a laboratory procedure for
5.1 Preformed tape sealants are tacky, deformable solids,
determining the tensile adhesive strength of a preformed tape that are used under compression between two or more
sealant. The type of failure can be determined, and the degree
substrates, in various sealing applications where the surfaces
of cohesive/adhesive failure can be estimated. may be of similar or dissimilar materials. This procedure
measures the tensile strength of the preformed tape sealant. It
1.2 The values stated in metric (SI) units are to be regarded
also provides an indication of the cohesive nature and adhesive
as the standard. The values given in parentheses are provided
bonding properties of the preformed tape sealant. This proce-
for information purposes only.
dure is not intended to simulate actual use conditions.
1.3 The subcommittee with jurisdiction is not aware of any
similar ISO standard.
6. Apparatus and Accessory Materials
1.4 This standard does not purport to address all of the
6.1 Test Fixture, fabricated of aluminum (mill finish), in
safety concerns, if any, associated with its use. It is the
accordance with Fig. 1.
responsibility of the user of this standard to establish appro-
NOTE 1—Other substrates may be substituted in 6.1.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
6.2 Tensile Testing Machine, or equivalent, with a jaw
separation rate of 51 mm (2 in.)/min.
2. Referenced Documents
6.3 Auxiliary Hardware, for attachment of the test fixture to
2.1 ASTM Standards:
the tensile tester.
C717 Terminology of Building Seals and Sealants
6.4 Knife.
3. Terminology
6.5 Compression Device, such as a vise, press, or equiva-
lent.
3.1 Definitions—The definitions of the following terms used
in this test method are found in Terminology C717: adhesive
6.6 Device, for recording the tension load in newtons (or
failure; cohesive failure; preformed tape sealant; sealant; and
pounds-force).
substrate.
6.7 Solvent, such as xylol or toluol.
4. Summary of Test Method
6.8 Wiping Cloths, lint-free.
4.1 The preformed tape sealant is compressed between two
7. Sampling
aluminum disks.The disks are pulled apart in a tensile tester to
failure. The maximum tensile strength and failure mode are
7.1 Samples to be tested shall be taken from a fresh roll of
recorded.
preformed tape sealant after first removing and discarding the
first 600 mm (2 ft) of the roll.
7.2 Conditionthesampleat23 62°C(73.4 63.6°F)and50
ThistestmethodisunderthejurisdictionofASTMCommitteeC24onBuilding
6 10 % relative humidity for a minimum of 24 h before
Seals and Sealants and is the direct responsibility of Subcommittee C24.30 on
Adhesion.
preparing the test specimens.
Current edition approved May 1, 2008. Published June 2008. Originally
approved in 1979. Last previous edition approved in 2003 as C907 – 03. DOI:
8. Test Specimens
10.1520/C0907-03R08.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
8.1 Prepare two test specimens as follows:
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
8.1.1 Clean the surface of the test fixture with clean solvent
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. to remove grease, oil, or residue from previous test, and dry.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C907 − 03 (2008)
9.2 Other conditioning periods may be included if and as
desired.
10. Procedure
10.1 Activate the tensile testing machine for recording the
force required to pull the specimen apart.
10.2 Attach the test fixture to the jaws of the tensile testing
machine, taking care to align them vertically, and separate at a
crosshead sp
...
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:C907–98 Designation: C 907 – 03 (Reapproved 2008)
Standard Test Method for
Tensile Adhesive Strength of Preformed Tape Sealants by
Disk Method
This standard is issued under the fixed designation C 907; 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.
1. Scope
1.1 This test method covers a laboratory procedure for determining the tensile adhesive strength of a preformed tape sealant.
The type of failure can be determined, and the degree of cohesive/adhesive failure can be estimated.
1.2 The values stated in metric (SI) units are to be regarded as the standard. The values given in parentheses are provided for
information purposes only.
1.3
1.3 The subcommittee with jurisdiction is not aware of any similar ISO standard.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
C 717 Terminology of Building Seals and Sealants
3. Terminology
3.1 Definitions— The definitions of the following terms used in this test method are found in Terminology C 717: adhesive
failure; cohesive failure; preformed tape sealant; sealant; and substrate.
4. Summary of Test Method
4.1 The preformed tape sealant is compressed between two aluminum disks. The disks are pulled apart in a tensile tester to
failure. The maximum tensile strength and failure mode are recorded.
5. Significance and Use
5.1 Preformed tape sealants are tacky, deformable solids, that are used under compression between two or more substrates, in
various sealing applications where the surfaces may be of similar or dissimilar materials. This procedure measures the tensile
strength of the preformed tape sealant. It also provides an indication of the cohesive nature and adhesive bonding properties of the
preformed tape sealant. This procedure is not intended to simulate actual use conditions.
6. Apparatus and Accessory Materials
6.1 Test Fixture, fabricated of aluminum (mill finish), in accordance with Fig. 1.
NOTE 1—Other substrates may be substituted in 6.1.
6.2 Tensile Testing Machine, or equivalent, with a jaw separation rate of 51 mm (2 in.)/min.
6.3 Auxiliary Hardware, for attachment of the test fixture to the tensile tester.
6.4 Knife.
6.5 Compression Device, such as a vise, press, or equivalent.
6.6 Device, for recording the tension load in newtons (or pounds-force).
6.7 Solvent, such as xylol or toluol.
This test method is under the jurisdiction of ASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.20C24.30 on
General Sealant Standards. Adhesion.
Current edition approved May 10, 1998.1, 2008. Published August 1998.June 2008. Originally published as C907–79.approved in 1979. Last previous edition approved
in 2003 as C 907 – 903.
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 04.07.volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C 907 – 03 (2008)
FIG. 1 Test Fixture
6.8 Wiping Cloths, lint-free.
7. Sampling
7.1 Samples to be tested shall be taken from a fresh roll of preformed tape sealant after first removing and discarding the first
600 mm (2 ft) of the roll.
7.2 Condition the sample at 23 6 2°C (73.4 6 3.6°F) and 50 6 10 % relative humidity for a minimum of 24 h before preparing
the test specimens.
8. Test Specimens
8.1 Prepare two test specimens as follows:
8.1.1 Clean the surface of the test fixture with clean solvent to remove grease, oil, or residue from previous test, and dry.
8.1.2 Set the allen screw stop so that when the disks are assembled and the dowel is seated against it, the distance between the
paral
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