ASTM C1589-05
(Practice)Standard Practice for Outdoor Weathering of Construction Seals and Sealants
Standard Practice for Outdoor Weathering of Construction Seals and Sealants
SCOPE
1.1 This practice describes outdoor exposure procedures used to determine the weathering durability of building construction, seals and sealants.
Note 1—See Practice G 24 for Exposures to Daylight Filtered Through Glass.
1.2 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 does not describe the test methods to be performed following the outdoor exposure. It is intended for specimens of any size and shape to be used in static or dynamic tests.
1.3 Means of evaluation of the effects of weathering will depend on the intended use for the test material.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.5 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 − 05
StandardPractice for
1
Outdoor Weathering of Construction Seals and Sealants
This standard is issued under the fixed designation C1589; 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 G113 Terminology Relating to Natural andArtificial Weath-
ering Tests of Nonmetallic Materials
1.1 This practice describes outdoor exposure procedures to
G147 Practice for Conditioning and Handling of Nonmetal-
be used as part of a test designed to determine the weathering
lic Materials for Natural and Artificial Weathering Tests
durability of building construction, seals and sealants.
G178 Practice for Determining theActivation Spectrum of a
NOTE 1—See Practice G24 for Exposures to Daylight Filtered Through
Material (Wavelength Sensitivity to an Exposure Source)
Glass.
Using the Sharp Cut-On Filter or Spectrographic Tech-
1.2 This practice is limited to the method by which the
nique
construction seals or sealants are exposed to outdoor weather-
ing as part of a test program. It does not describe the test
3. Terminology
methods to be performed following the outdoor exposure. It is
intended for specimens of any size and shape to be used in
3.1 Definitions—Definitions are found in Terminologies
static or dynamic tests.
C717, G113, and E772.
1.3 Means of evaluation of the effects of weathering will
4. Significance and Use
depend on the intended use for the test material.
4.1 Tests conducted in accordance with this practice are
1.4 The values stated in SI units are to be regarded as the
used to evaluate the stability of construction seals and sealant
standard. The values given in parentheses are for information
materials when they are exposed to outdoor weather condi-
only.
tions. The durability of seals and sealants in actual outdoor use
1.5 This standard does not purport to address all of the
can be very different depending on the location, because of
safety concerns, if any, associated with its use. It is the
differencesinsolarradiation,moisture,temperature,pollutants,
responsibility of the user of this standard to establish appro-
and other factors. Sealant color may also affect durability.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
4.2 The type, frequency and amount of movement of
sealants varies with location and may affect durability. It
2. Referenced Documents
cannot be assumed, therefore, that results from one exposure in
2
2.1 ASTM Standards:
a single location will be useful for determining durability in a
C717 Terminology of Building Seals and Sealants
different location. Exposures in several locations with different
E772 Terminology of Solar Energy Conversion
climates (for example, solar radiation, moisture, temperature,
G7 Practice for Atmospheric Environmental Exposure Test-
pollutants, biological and other factors) that represent a broad
ing of Nonmetallic Materials
range of anticipated service conditions are recommended.
G24 Practice for Conducting Exposures to Daylight Filtered
4.3 It is strongly recommended that control materials with
Through Glass
known durability should be included with each exposure test.
G84 Practice for Measurement of Time-of-Wetness on Sur-
Control materials should be exposed along with the test
faces Exposed to Wetting Conditions as in Atmospheric
specimens for the purpose of comparing the performance of
Corrosion Testing
test materials to the controls. It is preferable to use two control
materials of similar composition and construction to the test
1
This practice is under the jurisdiction of ASTM Committee C24 on Building
specimens, one with relatively good durability and one with
Seals and Sealants and is the direct responsibility of Subcommittee C24.40 on
Weathering.
relatively poor durability. Unless otherwise specified, use at
Current edition approved Jan. 1, 2005. Published January 2005. Originally
least three replicate specimens of each test and control mate-
approved in 2004. Last previous edition approved in 2004 as C1589-04. DOI:
rial.
10.1520/C1589-05.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.4 The results of short-term exposure tests can provide an
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
indication of relative outdoor performance, but they shall not
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. be used to predict the absolute long-term performance of a seal
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