ASTM C1589/C1589M-17
(Practice)Standard Practice for Outdoor Weathering of Construction Seals and Sealants
Standard Practice for Outdoor Weathering of Construction Seals and Sealants
SIGNIFICANCE AND USE
4.1 Tests conducted in accordance with this practice are used to evaluate the weatherability of construction seals and sealant materials when they are exposed to outdoor weather conditions. The weatherability of seals and sealants in actual outdoor use can be very different depending on the location because of differences in solar radiation, moisture, temperature, pollutants, and other factors. Sealant color may also affect weatherability.
4.2 This practice allows for three options: Option 1 – Procedure A in which the effect of movement during weathering is not considered; Option 2 – Procedure B in which specimens are weathered in conjunction with movement based on thermal changes. The applied strain is proportional to a combination of the temperature at the time the equipment is set up and subsequent thermal changes. This option closely mimics the actual movements that occur in many sealant installations, but is less repeatable than the movement in Procedure C; Option 3 – Procedure C in which the strain during weathering is manually applied. This procedure allows for excellent control and repeatability, but is less representative of movement in actual use conditions than the movement in Procedure B. Options 2 and 3 have been added to this practice based on peer reviewed scientific literature demonstrating that applied strain separately and in combination with other weathering stresses causes changes in the weatherability of sealants.
4.3 The type, frequency and amount of movement of sealants varies with location and may affect weatherability. It cannot be assumed, therefore, that results from one exposure in a single location will be useful for determining weatherability in a different location. Exposures in several locations with different climates (for example, solar radiation, moisture, temperature, pollutants, biological and other factors) that represent a broad range of anticipated service conditions are recommended.
4.4 It is strongly recommended tha...
SCOPE
1.1 This practice describes outdoor exposure procedures to be used as part of a test designed to determine the weatherability of building construction, seals and sealants.
Note 1: See Practice G24 for Exposures to Daylight Filtered Through Glass.
1.2 This practice includes three procedures for outdoor weathering. Procedure A exposes specimens to outdoor weathering without movement. Procedure B and Procedure C are, respectively, continuous natural and periodic manual techniques for subjecting specimens to the combination of cyclic movement and exposure to outdoor weathering.
1.3 This practice is limited to the method by which the construction seals or sealants are exposed to outdoor weathering as part of a test program. It refers to the types of evaluations to be performed following the outdoor exposure but does not describe the test methods.
1.4 Means of evaluation of the effects of weathering will depend on the intended use of the test material.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.6 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: C1589/C1589M − 17
Standard Practice for
1
Outdoor Weathering of Construction Seals and Sealants
This standard is issued under the fixed designation C1589/C1589M; 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 C719Test Method for Adhesion and Cohesion of Elasto-
meric Joint Sealants Under Cyclic Movement (Hockman
1.1 This practice describes outdoor exposure procedures to
Cycle)
be used as part of a test designed to determine the weather-
C1135TestMethodforDeterminingTensileAdhesionProp-
ability of building construction, seals and sealants.
erties of Structural Sealants
NOTE 1—See Practice G24 for Exposures to Daylight FilteredThrough
C1735Test Method for Measuring the Time Dependent
Glass.
Modulus of Sealants Using Stress Relaxation
1.2 This practice includes three procedures for outdoor
E631Terminology of Building Constructions
weathering. ProcedureAexposes specimens to outdoor weath-
E772Terminology of Solar Energy Conversion
ering without movement. Procedure B and Procedure C are,
G7Practice for Atmospheric Environmental Exposure Test-
respectively, continuous natural and periodic manual tech-
ing of Nonmetallic Materials
niques for subjecting specimens to the combination of cyclic
G24Practice for Conducting Exposures to Daylight Filtered
movement and exposure to outdoor weathering.
Through Glass
1.3 This practice is limited to the method by which the
G84Practice for Measurement of Time-of-Wetness on Sur-
construction seals or sealants are exposed to outdoor weather-
faces Exposed to Wetting Conditions as in Atmospheric
ing as part of a test program. It refers to the types of
Corrosion Testing
evaluations to be performed following the outdoor exposure
G113Terminology Relating to Natural andArtificial Weath-
but does not describe the test methods.
ering Tests of Nonmetallic Materials
1.4 Means of evaluation of the effects of weathering will
G147Practice for Conditioning and Handling of Nonmetal-
depend on the intended use of the test material.
lic Materials for Natural and Artificial Weathering Tests
G169Guide for Application of Basic Statistical Methods to
1.5 The values stated in either SI units or inch-pound units
Weathering Tests
are to be regarded separately as standard. The values stated in
G178Practice for Determining theActivation Spectrum of a
each system may not be exact equivalents; therefore, each
Material (Wavelength Sensitivity to an Exposure Source)
system shall be used independently of the other. Combining
Using the Sharp Cut-On Filter or Spectrographic Tech-
values from the two systems may result in non-conformance
nique
with the standard.
1.6 This standard does not purport to address all of the
3. Terminology
safety concerns, if any, associated with its use. It is the
3.1 Definitions—Definitions are found in Terminologies
responsibility of the user of this standard to establish appro-
C717, G113, E631, and E772.
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 Tests conducted in accordance with this practice are
2
used to evaluate the weatherability of construction seals and
2.1 ASTM Standards:
sealant materials when they are exposed to outdoor weather
C717Terminology of Building Seals and Sealants
conditions. The weatherability of seals and sealants in actual
outdoor use can be very different depending on the location
1
This practice is under the jurisdiction of ASTM Committee C24 on Building
because of differences in solar radiation, moisture,
Seals and Sealants and is the direct responsibility of Subcommittee C24.40 on
Weathering.
temperature, pollutants, and other factors. Sealant color may
Current edition approved Feb. 1, 2017. Published March 2017. Originally
also affect weatherability.
approved in 2004. Last previous edition approved in 2016 as C1589/C1589M-16.
DOI: 10.1520/C1589/C1589M-17.
4.2 This practice allows for three options: Option 1 –
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ProcedureAin which the effect of movement during weather-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
ing is not considered; Option 2 – Procedure B in which
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. specimens are weathered in conjunction with movement based
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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C1589/C1589M − 17
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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: C1589/C1589M − 16 C1589/C1589M − 17
Standard Practice for
1
Outdoor Weathering of Construction Seals and Sealants
This standard is issued under the fixed designation C1589/C1589M; 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 describes outdoor exposure procedures to be used as part of a test designed to determine the weatherability
of building construction, seals and sealants.
NOTE 1—See Practice G24 for Exposures to Daylight Filtered Through Glass.
1.2 This practice includes three procedures for outdoor weathering. Procedure A exposes specimens to outdoor weathering
without movement. Procedure B and Procedure C are, respectively, continuous natural and periodic manual techniques for
subjecting specimens to the combination of cyclic movement and exposure to outdoor weathering.
1.3 This practice is limited to the method by which the construction seals or sealants are exposed to outdoor weathering as part
of a test program. It refers to the types of evaluations to be performed following the outdoor exposure but does not describe the
test methods.
1.4 Means of evaluation of the effects of weathering will depend on the intended use of the test material.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.6 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)
C1135 Test Method for Determining Tensile Adhesion Properties of Structural Sealants
C1735 Test Method for Measuring the Time Dependent Modulus of Sealants Using Stress Relaxation
E631 Terminology of Building Constructions
E772 Terminology of Solar Energy Conversion
G7 Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials
G24 Practice for Conducting Exposures to Daylight Filtered Through Glass
G84 Practice for Measurement of Time-of-Wetness on Surfaces Exposed to Wetting Conditions as in Atmospheric Corrosion
Testing
G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
G169 Guide for Application of Basic Statistical Methods to Weathering Tests
G178 Practice for Determining the Activation Spectrum of a Material (Wavelength Sensitivity to an Exposure Source) Using the
Sharp Cut-On Filter or Spectrographic Technique
3. Terminology
3.1 Definitions—Definitions are found in Terminologies C717, G113, E631, and E772.
1
This practice is under the jurisdiction of ASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.40 on Weathering.
Current edition approved June 1, 2016Feb. 1, 2017. Published July 2016March 2017. Originally approved in 2004. Last previous edition approved in 20142016 as
C1589/C1589M-14.-16. DOI: 10.1520/C1589/C1589M-16.10.1520/C1589/C1589M-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 ----------------------
C1589/C1589M − 17
4. Significance and Use
4.1 Tests conducted in accordance with this practice are used to evaluate the weatherability of construction seals and sealant
materials when they are exposed to outdoor weather conditions. The weatherability of seals and sealants in actual outdoor use can
be very different depending on the location because of differences
...
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