ASTM C907-17
(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
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.
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.
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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Designation: C907 − 17
Standard Test Method for
Tensile Adhesive Strength of Preformed Tape Sealants by
1
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 4. Summary of Test Method
1.1 This test method covers a laboratory procedure for
4.1 The preformed tape sealant is compressed between two
determining the tensile adhesive strength of a preformed tape aluminum disks.The disks are pulled apart in a tensile tester to
sealant. The type of failure can be determined, and the degree
failure. The maximum tensile strength and failure mode are
of cohesive/adhesive failure can be estimated. recorded.
1.2 The values stated in metric (SI) units are to be regarded
5. Significance and Use
as the standard. The values given in parentheses are provided
for information purposes only.
5.1 Preformed tape sealants are tacky, deformable solids,
that are used under compression between two or more
1.3 The subcommittee with jurisdiction is not aware of any
substrates, in various sealing applications where the surfaces
similar ISO standard.
may be of similar or dissimilar materials. This procedure
1.4 This standard does not purport to address all of the
measures the tensile strength of the preformed tape sealant. It
safety concerns, if any, associated with its use. It is the
also provides an indication of the cohesive nature and adhesive
responsibility of the user of this standard to establish appro-
bonding properties of the preformed tape sealant. This proce-
priate safety and health practices and determine the applica-
dure is not intended to simulate actual use conditions.
bility of regulatory limitations prior to use.
1.5 This international standard was developed in accor-
6. Apparatus and Accessory Materials
dance with internationally recognized principles on standard-
6.1 Test Fixture, fabricated of aluminum (mill finish), in
ization established in the Decision on Principles for the
accordance with Fig. 1.
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
NOTE 1—Other substrates may be substituted in 6.1.
Barriers to Trade (TBT) Committee.
6.2 Tensile Testing Machine, or equivalent, with a jaw
separation rate of 51 mm (2 in.)/min.
2. Referenced Documents
2
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-
3.1 Definitions—The definitions of the following terms used
lent.
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;
pounds-force).
standard conditions; and substrate.
6.7 Solvent, such as xylol or toluol.
6.8 Wiping Cloths, lint-free.
1
ThistestmethodisunderthejurisdictionofASTMCommitteeC24onBuilding
Seals and Sealants and is the direct responsibility of Subcommittee C24.30 on
7. Sampling
Adhesion.
Current edition approved June 1, 2017. Published June 2017. Originally
7.1 Samples to be tested shall be taken from a fresh roll of
approved in 1979. Last previous edition approved in 2012 as C907 – 03 (2012).
preformed tape sealant after first removing and discarding the
DOI: 10.1520/C0907-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or first 600 mm (2 ft) of the roll.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.2 Condition the sample at standard conditions for a
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. minimum of 24 h before preparing the test specimens.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C907 − 17
9. Conditioning
9.1 Condition the test specimens as prepared in Section 8,
for1hat23 6 2°C (73.4 6 3.6°F) before testing.
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 speed of 51 mm (2 in.)/min until failure occurs. The
test temperature shall be 23 6 2°C (73.4 6 3.6°F). (Other
conditions may be used.)
10.3 Record the peak stress load in newtons (or pounds
f
...
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 − 03 (Reapproved 2012) C907 − 17
Standard Test Method for
Tensile Adhesive Strength of Preformed Tape Sealants by
1
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
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.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
C717 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 C717: adhesive
failure; cohesive failure; preformed tape sealant; sealant; standard conditions; 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.
1
This test method is under the jurisdiction of ASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.30 on Adhesion.
Current edition approved Dec. 1, 2012June 1, 2017. Published December 2012June 2017. Originally approved in 1979. Last previous edition approved in 20082012 as
C907 – 03 (2008).(2012). DOI: 10.1520/C0907-03R12.10.1520/C0907-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
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
1
---------------------- Page: 1 ----------------------
C907 − 17
FIG. 1 Test Fixture
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.
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 standard conditions 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 t
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