ASTM D5105-94(1999)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D5105–94(Reapproved 1999)
Standard Practice for
Performing Accelerated Outdoor Weathering of Pressure-
Sensitive Tapes Using Concentrated Natural Sunlight
This standard is issued under the fixed designation D 5105; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3. Summary of Practice
1.1 This practice covers one procedure for the exposure of 3.1 The pressure-sensitive tapes are exposed to the solar
pressure-sensitive tapes to an accelerated outdoor weathering radiation in accordance with the conditions provided by the
environment. apparatus described in Practice G 90, Procedure B, Cycle 3.
1.2 This practice describes sample preparation and acceler- Following this exposure, the specimen is ready for any
ated environment to which it shall be exposed. It does not prescribed examination of appearance and physical character-
specify what observations or tests are to be performed on the istics by other standards as determined by the applicable
material following exposure. material specification or other documents.
1.3 The values stated in inch-pound units are to be regarded
4. Significance and Use
as the standard. The values given in parentheses are for
4.1 This practice provides a means of qualitative assess-
information only.
1.4 This standard does not purport to address all of the ments of outdoor weathering effects on pressure-sensitive
tapes.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 4.2 If tests described in this practice produce the same type
of degradation as found in real-time exposures of the same
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. materials, it is possible to use the results from these short-term
teststodeterminethequantitativeeffectsofnaturalweathering.
2. Referenced Documents
4.3 The timing of exposure testing covering both outdoor
2.1 ASTM Standards: conventional and outdoor accelerated exposure of this practice,
D 3715/D 3715M Practice for Quality Assurance of using levels of ultraviolet solar radiation exposure (MJ/m)of
Pressure-Sensitive Tapes UV (300 to 385 nm) is an improvement in the timing of
G 90 Practice for Performing Accelerated Outdoor Weath- exposure testing. Testing specific levels of solar radiant expo-
ering of Nonmetallic Materials Using Concentrated Natu- sure (MJ/m ) may be used to establish relative equivalent
ral Sunlight exposure, but the use of (MJ/m of UV (300 to 385 nm)) is the
5,6,7
2.2 Federal Specifications: preferred method.
QQ-A-250/5 Aluminum Alloy Alclad 2024, Plate and 4.4 The radiant exposure (308 or 616 MJ/m ) suggested in
Sheet this practice approximates one and two years, respectively, of
2.3 SAE Document: exposure in the Southwest and Florida. Since all materials
SAE J576 Plastic Materials for Use in Optical Parts Such as “weather” at different rates in different environments, results
Lenses and Reflectors of Motor Vehicle Lighting obtained using this practice should not be represented as
Devices—Recommended Practice equivalenttonaturalweatheringuntilthedegreeofquantitative
correlation has been established for the material tested in the
environment of its use.
This practice is under the jurisdiction ofASTM Committee D-10 on Packaging
and is the direct responsibility of Subcommittee D10.14 on Tapes and Labels.
Current edition approved Nov. 15, 1994. Published January 1995. Originally
e1 6
published as D 5105 – 90. Last previous edition D 5105 – 90 . G. A. Zerlaut, M. W. Rupp, and T. E. Anderson, DEST Laboratories, Inc.,
Annual Book of ASTM Standards, Vol 15.09. Phoenix, AZ, “Ultraviolet Radiation Timing Technique of Outdoor Weathering of
Annual Book of ASTM Standards, Vol 14.02. Materials,” SAE Technical Paper Series #850348 presented at the International
AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700 Congress and Exposition, Detroit, MI, Feb. 25–March 1, 1985.Available from SAE.
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. Bauer, D. R., Paputa Peck, M. C., and Carter III, R. O.,“ Evaluation of
Available from the Society ofAutomotive Engineers, 400 Commonwealth Dr., Accelerated Spectroscopy,” Journal of Coatings Technology, Vol 59, No. 755, pp
Warrendale, PA 15096. 103–109.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D5105
NOTE 1—The acceleration factors that can be experienced are material
8. Procedure
and time-of-year dependent. That is, the ultraviolet content of natural
8.1 Apply the specimens as directed by the standard to be
sunshine is time-of-year dependent, both qualitatively a
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