Standard Test Method for Determining Tensile Adhesion Properties of Structural Sealants

SIGNIFICANCE AND USE
Frequently, glass or other glazing or panel materials are structurally adhered with a sealant to a metal framing system. The sealants used for these applications are designed to provide a structural link between the glazing or panel and the framing system.
Although this test method is conducted at one prescribed environmental condition, other environmental conditions and duration cycles can be employed.
SCOPE
1.1 This test method covers a laboratory procedure for quantitatively measuring the tensile adhesion properties of structural sealants, hereinafter referred to as the “sealant”.
1.2 The values stated in SI (metric) units are to be regarded as the standard. The inch-pound values given in parentheses are provided 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.
Note 1—Two ISO standards are known that develop similar information to C1135; ISO 8339 and ISO 8340.

General Information

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Historical
Publication Date
31-Dec-2010
Drafting Committee
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ASTM C1135-00(2011) - Standard Test Method for Determining Tensile Adhesion Properties of Structural Sealants
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: C1135 − 00(Reapproved 2011)
Standard Test Method for
Determining Tensile Adhesion Properties of Structural
Sealants
This standard is issued under the fixed designation C1135; 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.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Thesealantsusedfortheseapplicationsaredesignedtoprovide
a structural link between the glazing or panel and the framing
1.1 This test method covers a laboratory procedure for
system.
quantitatively measuring the tensile adhesion properties of
structural sealants, hereinafter referred to as the “sealant”. 4.2 Althoughthistestmethodisconductedatoneprescribed
environmental condition, other environmental conditions and
1.2 The values stated in SI (metric) units are to be regarded
duration cycles can be employed.
asthestandard.Theinch-poundvaluesgiveninparenthesesare
provided for information only.
5. Apparatus and Materials
1.3 This standard does not purport to address all of the
5.1 Tensile Testing Machine, capable of producing a tensile
safety concerns, if any, associated with its use. It is the
load on the specimen at the rate of 50.8 6 5.1 mm (2.0 6 0.20
responsibility of the user of this standard to establish appro-
in.) per minute.
priate safety and health practices and determine the applica-
5.1.1 Fixed Member—A fixed or essentially stationary
bility of regulatory limitations prior to use.
member carrying one grip.
NOTE 1—Two ISO standards are known that develop similar informa-
5.1.2 Movable Member—A movable member carrying a
tion to C1135; ISO 8339 and ISO 8340.
second grip.
5.1.3 Grips—The grips should be suitable to firmly grasp
2. Referenced Documents
the test fixture that holds the test specimen and should be
2.1 ASTM Standards:
designed to eliminate eccentric specimen loading. Specimen
C717Terminology of Building Seals and Sealants
loading should be perpendicular to the substrate/sealant inter-
2.2 ISO Standards:
faces. For alignment purposes, each grip shall have a swivel or
ISO 8339Determination of Tensile Properties
universal joint at the end nearest to the specimen.
ISO 8340Determination ofTensile Properties at Maintained
5.1.4 Grip Fixture—A fixture capable of being held by the
Extension
grips and furnishing a tensile force to the sealant specimen.
3. Terminology
5.2 Spatulas, for use in applying sealant.
3.1 Definitions—Refer to Terminology C717 for definitions
5.3 Caulking Gun, for extruding sealant from cartridges
of the following terms used in this test method: cohesive
when applicable.
failure,primer,sealant,spacer,structuralsealant,andsubstrate.
5.4 Substrate Panels—Two substrates of the same finish are
4. Significance and Use required for each test specimen.
4.1 Frequently, glass or other glazing or panel materials are
NOTE 2—This test method is based on identical substrates of
6.3×25.4×76.2 mm (0.25×1.0×3.0 in.) clear float glass. Other sub-
structurally adhered with a sealant to a metal framing system.
strates may be tested; however, consideration needs to be given to
maintaining adequate rigidity of the substrates during testing.
ThistestmethodisunderthejurisdictionofASTMCommitteeC24onBuilding
5.5 Spacer—One piece spacer made from polytetrafluoreth-
Seals and Sealants and is the direct responsibility of Subcommittee C24.30 on
Adhesion. ylene(PTFE)orasuitablerigidmaterialshallbeusedtowhich
Current edition approved Jan. 1, 2011. Published March 2011. Originally
the test sealant will not bond.
approved in 1990. Last previous edition approved in 2005 as C1135–00(2005).
DOI: 10.1520/C1135-00R11. 5.6 Substrate Cleaning Materials.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.7 Primer (if needed).
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.
6. Test Specimen
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036. 6.1 Assembly:
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1135 − 00 (2011)
6.1.1 Prior to assembly, wipe the substrates with a clean, 7.2 Remove all spacer sections from the specimens. If
dry, lint-free cloth, then thoroughly clean with a solution desired,spacersmayberemovedpriortotheendofthe21day
appropriate for the substrate material. Prior to evaporation of cure. If removed early, note this in the report.
the cleaning solution, wipe the substrates dry with a clean,
8. Procedure
lint-free cloth.
8.1 Testing:
NOTE 3—The precision and bias statement is based on glass substrates
8.1.1 Pull all specimens on the tensile test machine at
witha recommended cleaningsolutionofa50to50ratioisopropanoland
water. standard conditions at a rate of 50.8 mm (2.0 in.) per minute.
If an analog chart recording device is being used, the chart
6.1.2 Apply recommended primer, if required. Then, con-
speed should be a minimum of 127 mm (5.0 in.) per minute
struct the test specimen assemblies by forming a sealant cavity
(508mm(20.0in.)perminuteispreferred)toallowforamore
12.7by12.7by50.8mm(0.50by0.50by2.0in.)betweentwo
accurate reading of force at specific elongations.
substratepanels(seeFig.1)withtheaidofappropriatespacers.
8.1.2 Measure and record to the nearest 0.8 mm (0.03125
6.2 Preparation of Test Assemblies:
in.) the actual minimum length (Dimension A) and minimum
6.2.1 Prepareasetoffivetestspecimenassembliesforeach
width (Dimension B), in millimetres (inches) as shown in Fig.
sealant and substrate combination being tested (see Fig.
...

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