ASTM D5105-05(2019)
(Practice)Standard Practice for Performing Accelerated Outdoor Weathering of Pressure-Sensitive Tapes Using Concentrated Natural Sunlight
Standard Practice for Performing Accelerated Outdoor Weathering of Pressure-Sensitive Tapes Using Concentrated Natural Sunlight
SIGNIFICANCE AND USE
4.1 This practice provides a means of qualitative assessments of outdoor weathering effects on pressure-sensitive tapes. The resistance of tapes to outdoor weathering is determined relative to the resistance of a control tape with known stability.
4.2 If tests described in this practice produce the same type of degradation as found in real-time exposures of the same materials, it is possible to use the results from these short-term tests to determine the quantitative effects of natural weathering.
4.3 The timing of exposure testing covering both outdoor conventional and outdoor accelerated exposure of this practice, using levels of ultraviolet solar radiation exposure (MJ/m 2) of UV (295 to 385 nm) is an improvement in the timing of exposure testing. Testing specific levels of solar radiant exposure (MJ/m2) may be used to establish relative equivalent exposure, but the use of (MJ/m2 of UV (295 to 385 nm)) is the preferred method.4,5,6
4.4 The radiant exposure (308 or 616 MJ/m2) suggested in this practice approximates one and two years, respectively, of exposure in the Southwest and Florida. Since all materials “weather” at different rates in different environments, results obtained using this practice should not be represented as equivalent to natural weathering until the degree of quantitative correlation has been established for the material tested in the environment of its use.
Note 1: The ultraviolet content of natural sunshine is time-of-year dependent, both qualitatively and quantitatively. Thus, wintertime testing requires longer exposure periods on the Flesnel-reflector test machines described to achieve equal ultraviolet energy deposition and a quantitative equal level of degradation concomitant with summertime testing.
SCOPE
1.1 This practice covers one procedure for the exposure of pressure-sensitive tapes to an accelerated outdoor weathering environment.
1.2 This practice describes sample preparation and an accelerated outdoor environment to which it shall be exposed. It does not specify what observations or tests are to be performed on the material following exposure.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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, health, and environmental 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.
General Information
Relations
Standards Content (Sample)
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.
Designation: D5105 − 05 (Reapproved 2019)
Standard Practice for
Performing Accelerated Outdoor Weathering of Pressure-
Sensitive Tapes Using Concentrated Natural Sunlight
This standard is issued under the fixed designation D5105; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope G90 Practice for Performing Accelerated Outdoor Weather-
ing of Materials Using Concentrated Natural Sunlight
1.1 This practice covers one procedure for the exposure of
2.2 Federal Specifications:
pressure-sensitive tapes to an accelerated outdoor weathering
QQ-A-250/5 AluminumAlloyAlclad 2024, Plate and Sheet
environment.
2.3 SAE Document:
1.2 This practice describes sample preparation and an ac-
SAE J576 Plastic Materials for Use in Optical Parts Such as
celerated outdoor environment to which it shall be exposed. It
Lenses and Reflectors of Motor Vehicle Lighting
does not specify what observations or tests are to be performed
Devices—Recommended Practice
on the material following exposure.
3. Summary of Practice
1.3 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
3.1 Thepressure-sensitivetapesareexposedtoconcentrated
information only.
solar radiation in accordance with the conditions provided by
1.4 This standard does not purport to address all of the
the apparatus described in Practice G90, using spray Cycle 3.
safety concerns, if any, associated with its use. It is the Following this exposure, the specimen is ready for any
responsibility of the user of this standard to establish appro-
prescribed examination of appearance and physical character-
priate safety, health, and environmental practices and deter- istics by other standards as determined by the applicable
mine the applicability of regulatory limitations prior to use.
material specification or other documents.
1.5 This international standard was developed in accor-
4. Significance and Use
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
4.1 This practice provides a means of qualitative assess-
Development of International Standards, Guides and Recom-
ments of outdoor weathering effects on pressure-sensitive
mendations issued by the World Trade Organization Technical
tapes. The resistance of tapes to outdoor weathering is deter-
Barriers to Trade (TBT) Committee.
mined relative to the resistance of a control tape with known
stability.
2. Referenced Documents
4.2 If tests described in this practice produce the same type
2.1 ASTM Standards:
of degradation as found in real-time exposures of the same
D3715/D3715M Practice for QualityAssurance of Pressure-
materials, it is possible to use the results from these short-term
Sensitive Tapes
teststodeterminethequantitativeeffectsofnaturalweathering.
4.3 The timing of exposure testing covering both outdoor
This practice is under the jurisdiction ofASTM Committee D10 on Packaging
conventional and outdoor accelerated exposure of this practice,
and is the direct responsibility of Subcommittee D10.14 on Tape and Labels.
using levels of ultraviolet solar radiation exposure (MJ/m )of
Current edition approved April 1, 2019. Published April 2019. Originally
approved in 1990. Last previous edition approved in 2011 as D5105 – 05 (2011).
DOI: 10.1520/D5105-05R19.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Standards volume information, refer to the standard’s Document Summary page on Available from SAE International (SAE), 400 Commonwealth Dr.,Warrendale,
the ASTM website. PA 15096-0001, http://www.sae.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D5105 − 05 (2019)
UV (295 to 385 nm) is an improvement in the timing of 7.3 Unwind and discard at least three, but no more than six,
exposure testing. Testing specific levels of solar radiant expo- outer wraps of tape from the sample roll before taking
sure (MJ/m ) may be used to establish relative equivalent specimens for testing.
exposure, but the use of (MJ/m of UV (295 to 385 nm)) is the
7.4 Remove specimens from a freely rotating roll at the rate
4,5,6
preferred method.
of 20 to 30 in./s (500 to 750 mm/s). Where width or other
4.4 The radiant exposure (308 or 616 MJ/m ) suggested in factors causing high adherence to backing make it impossible
this practice approximates one and two years, respectively, of toremovethespecimensattheprescribedrate,removeatarate
exposure in the Southwest and Florida. Since all materials as close to 20 in./s (500 mm/s) as possible.
“weather” at different rates in different environments, results
8. Procedure
obtained using this practice should not be represented as
equivalenttonaturalweatheringuntilthedegreeofquantitative
8.1 Apply the specimens as directed by the standard to be
correlation has been established for the material tested in the
used subsequent t
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