Standard Test Method for Evaluating Durability of Building Construction Sealants by Laboratory Accelerated Weathering Procedures

SIGNIFICANCE AND USE
This test method describes the procedure to evaluate or compare, or both, the durability of sealants when subjected to accelerated weathering and cyclic movement in a joint.
Sealant installation procedures, design considerations and movement during cure affect the aging processes and are fundamental to the success of any sealant. These factors are not addressed with this test method.
The amount, type and frequency of movement a sealant experiences during its lifetime strongly depends on the materials used in construction and on the orientation of the joint toward sunlight and many other factors that are not uniform or consistent.
Climatic exposures will differ with the orientation of the building and shading as well as with local and regional climatic conditions. Climates in a given location can vary from year to year because of differences in solar radiation, temperature, rainfall, and atmospheric conditions. Further, the quality and intensity of solar radiation on the earth's surface varies with geographic location, season, time of day, and cloud cover.
Variations in results may be expected when operating conditions are varied within the accepted limits of this test method. Therefore, all test results using this test method must be accompanied by a report of the specific operating conditions as required in Section 12. Refer to Practice G151 for detailed information on the caveats applicable to use of results obtained according to this test method.
The results of laboratory exposure cannot be directly extrapolated to estimate an absolute rate of deterioration caused by natural weathering because the acceleration factor is material dependent and can be significantly different for each material and for different formulations of the same material. However, exposure of a similar material of known outdoor performance, a control, along with the test specimens allows comparison of the durability relative to that of the control under the test conditions. Evaluati...
SCOPE
1.1 This test method covers the method for the determination of the durability of a sealant based on its ability to function in cyclic movement maintaining adhesion and cohesion after repeated exposure to laboratory accelerated weathering procedures.
1.2 This test method describes two laboratory accelerated weathering procedures for evaluating the durability of a sealant.
1.3 RILEM TC139–DBS is related to this test method.
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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Standards Content (Sample)

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: C1519 − 10
Standard Test Method for
Evaluating Durability of Building Construction Sealants by
1
Laboratory Accelerated Weathering Procedures
This standard is issued under the fixed designation C1519; 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 G154 Practice for Operating Fluorescent Ultraviolet (UV)
Lamp Apparatus for Exposure of Nonmetallic Materials
1.1 This test method covers the method for the determina-
G155 Practice for Operating XenonArc LightApparatus for
tionofthedurabilityofasealantbasedonitsabilitytofunction
Exposure of Non-Metallic Materials
in cyclic movement maintaining adhesion and cohesion after
3
2.2 RILEM Standard:
repeated exposure to laboratory accelerated weathering proce-
RILEMTC139–DBS Determination of changes in adhesion,
dures.
cohesion, and appearance of elastic weatherproofing seal-
1.2 This test method describes two laboratory accelerated
ants for high movement facade joints after exposure to
weathering procedures for evaluating the durability of a
artificial weathering
sealant.
3. Terminology
1.3 RILEM TC139–DBS is related to this test method.
3.1 The definitions given in Terminology C717 on terms
1.4 This standard does not purport to address all of the
relating to building seals and sealants and in Terminology
safety concerns, if any, associated with its use. It is the
G113 on terms relating to natural and artificial weathering tests
responsibility of the user of this standard to establish appro-
are applicable to this test method.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
4. Significance and Use
2. Referenced Documents
4.1 This test method describes the procedure to evaluate or
2
compare, or both, the durability of sealants when subjected to
2.1 ASTM Standards:
accelerated weathering and cyclic movement in a joint.
C717 Terminology of Building Seals and Sealants
C719 Test Method for Adhesion and Cohesion of Elasto-
4.2 Sealant installation procedures, design considerations
meric Joint Sealants Under Cyclic Movement (Hockman
and movement during cure affect the aging processes and are
Cycle)
fundamentaltothesuccessofanysealant.Thesefactorsarenot
C1442 Practice for Conducting Tests on Sealants Using
addressed with this test method.
Artificial Weathering Apparatus
4.3 The amount, type and frequency of movement a sealant
E177 Practice for Use of the Terms Precision and Bias in
experiences during its lifetime strongly depends on the mate-
ASTM Test Methods
rials used in construction and on the orientation of the joint
G113 Terminology Relating to Natural andArtificial Weath-
toward sunlight and many other factors that are not uniform or
ering Tests of Nonmetallic Materials
consistent.
G141 Guide for Addressing Variability in Exposure Testing
4.4 Climatic exposures will differ with the orientation of the
of Nonmetallic Materials
buildingandshadingaswellaswithlocalandregionalclimatic
G151 Practice for Exposing Nonmetallic Materials inAccel-
conditions. Climates in a given location can vary from year to
erated Test Devices that Use Laboratory Light Sources
year because of differences in solar radiation, temperature,
rainfall, and atmospheric conditions. Further, the quality and
1
ThistestmethodisunderthejurisdictionofASTMCommitteeC24onBuilding
intensity of solar radiation on the earth’s surface varies with
Seals and Sealants and is the direct responsibility of Subcommittee C24.40 on
geographic location, season, time of day, and cloud cover.
Weathering.
Current edition approved July 15, 2010. Published September 2010. Originally
4.5 Variations in results may be expected when operating
approved in 2002. Last previous edition approved in 2004 as C1519 - 04. DOI:
conditions are varied within the accepted limits of this test
10.1520/C1519-10.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or method. Therefore, all test results using this test method must
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
3
the ASTM website. Published in Materials and Structures, 2001, pp. 34, 579–588.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1519 − 10
beaccompaniedbyareportofthespecificoperatingconditions 6.2 Spacers, for the preparation of the specimens should be
as required in Section 11. Refer to Practice G151 for detailed of a non-adherent material and
...

This document is not anASTM standard and is intended only to provide the user of anASTM 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:C1519–04
Standard Practice for Designation:C1519–10
Standard Test Method for
Evaluating Durability of Building Construction Sealants by
1
Laboratory Accelerated Weathering Procedures
This standard is issued under the fixed designation C1519; 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 practice test method covers the method for the determination of the durability of a sealant based on its ability to
function in cyclic movement maintaining adhesion and cohesion after repeated exposure to laboratory accelerated weathering
procedures.
1.2 This practice test method describes two laboratory accelerated weathering procedures for evaluating the durability of a
sealant.
1.3The RILEM 1.3 RILEM TC139–DBS Durability Test Method is related to this practice. test method.
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
2.1 ASTM Standards:
C717 Terminology of Building Seals and Sealants
C719 Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle)
C1442 Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
G141 Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials
G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials
G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
3
2.2 RILEM Standard:
RILEM TC139–DBS Durability Test MethodDetermination Determination of changes in adhesion, cohesion, and appearance
of elastic weatherproofing sealants for high movement facade joints after exposure to artificial weathering
3. Terminology
3.1 The definitions given in Terminology C717 on terms relating to building seals and sealants and in Terminology G113 on
terms relating to natural and artificial weathering tests are applicable to this practice. test method.
4. Significance and Use
4.1 This practice test method describes the procedure to evaluate and/or compare or compare, or both, the durability of sealants
when subjected to accelerated weathering and cyclic movement in a joint.
1
This practice test method is under the jurisdiction ofASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.40 on
Weathering.
Current edition approved May 1, 2004. Published July 2004. Originally approved in 2002. Last previous edition approved in 2002 as C1519-02a. DOI: 10.1520/C1519-04.
Current edition approved July 15, 2010. Published September 2010. Originally approved in 2002. Last previous edition approved in 2004 as C1519 - 04. DOI:
10.1520/C1519-10.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM 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.
3
Published in Materials and Structures (2001), pp. 34, 579–588. Materials and Structures, 2001, pp. 34, 579–588.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C1519–10
4.2 Sealant installation procedures, design considerations and movement during cure affect the aging processes and are
fundamental to the success of any sealant. These factors are not addressed with this test procedure. method.
4.3 The amount, type and frequency of movement a sealant experiences during its lifetime strongly depends on the materials
used in construction and on the orientation of the joint toward sunlight and many other factors that are not uniform or consistent.
4.4 Climatic exposures will differ with the orientation of the building and shading as well as with local and regional climatic
co
...

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