ASTM D3611-06(2019)

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: D3611 − 06 (Reapproved 2019)
Standard Practice for
Accelerated Aging of Pressure-Sensitive Tapes
This standard is issued under the fixed designation D3611; 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 D3715/D3715M Practice for QualityAssurance of Pressure-
Sensitive Tapes
1.1 This practice provides one environment in which to
D4332 Practice for Conditioning Containers, Packages, or
exposefinishedpressure-sensitivetapematerialforthepurpose
Packaging Components for Testing
of accelerating the aging of it. It is applicable to tape in roll
form when the user observes the precautions detailed within
3. Terminology
the procedure. The practice does not provide for a conclusion
3.1 Terminology found in Terminology D996 shall apply.
within itself, but is for use in conjunction with appearance or
physical property tests to follow the accelerated exposure.
4. Summary of Practice
While this practice was developed using packaging type tapes,
4.1 Thepressure-sensitivetapeisexposedtoanatmosphere
its use on other types of tape with similar construction is
of 80 % relative humidity at 150°F (66°C) for a period of 96 h.
encouraged. It is not intended for use on electrical grade tapes
Following a period for returning to a standard atmosphere, the
(see Test Methods D1000).
tape is ready for a prescribed examination using a method such
1.2 This standard does not purport to address all of the
as Test Methods D3330/D3330M.
safety concerns, if any, associated with its use. It is the
5. Significance and Use
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
5.1 This practice accelerates the natural aging of pressure-
mine the applicability of regulatory limitations prior to use.
sensitive tapes so that the response to the usual physical
1.3 This international standard was developed in accor-
property tests changes to the same extent as with an exposure
dance with internationally recognized principles on standard-
to approximately two years of natural aging when compared
ization established in the Decision on Principles for the
with the response to tests before aging.
Development of International Standards, Guides and Recom-
5.1.1 Natural aging in this context means a continuous
mendations issued by the World Trade Organization Technical
period of aging of tape in a closed fibreboard container (in
Barriers to Trade (TBT) Committee.
darkness) in the variable climate of either the warm moist
south, the warm dry southwest or the moderate midcontinent,
2. Referenced Documents
USA.
2.1 ASTM Standards:
5.2 The extent of change for one physical property should
D996 Terminology of Packaging and Distribution Environ-
be expected to be different than for another property and so
ments
would also relate to different natural aging time.
D1000 Test Methods for Pressure-Sensitive Adhesive-
5.3 An abnormal product lot may cause differences in
Coated Tapes Used for Electrical and Electronic Applica-
testing response that throw off the expected time patterns.
tions
D3330/D3330M TestMethodforPeelAdhesionofPressure- 5.4 Appearance of normal tape product will usually change
only slightly on two years natural aging. This accelerated
Sensitive Tape
exposure usually produces an exaggerated change in appear-
ance which would be seen under natural conditions only in
This practice is under the jurisdiction ofASTM Committee D10 on Packaging
abnormal product.
and is the direct responsibility of Subcommittee D10.14 on Tape and Labels.
5.5 There is no present experience to relate this accelerated
Current edition approved April 1, 2019. Published April 2019. Originally
approved in 1977. Last previous edition approved in 2011 as D3611 – 06 (2011). exposure to responses of tape in applications where the tape is
DOI: 10.1520/D3611-06R19.
under a use stress.
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
6. Apparatus
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 6.1 Humidity Vessel in Oven Procedure:
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D3611 − 06 (2019)
6.1.1 Vessel, to contain a solution of ammonium sulphate 8.3 When no other sampling requirement is applicable,
and tape undergoing exposure. The vessel must meet the sampling should be as set forth in Practice D3715/D3715M.
following requirements:
9. Sample
6.1.1.1 Vented to allow equilibrium with an opening not to
exceed 0.01 mm.
9.1 The sample should consist of rolls of tape.
6.1.1.2 The air volume over the solution to be not more than
9.1.1 The quantity of tape in any sample roll need not be
10 % greater than the cube of the square root of the liquid
more than necessary to supply the specimens for the physical
surface area.
property tests to follow the exposure.
6.1.1.3 The air depth of the vessel to the liquid surface to be
9.1.2 No sample roll should be less than ⁄2 in. (12 mm) in
not more than 10 % greater than the square root of the liquid
width.
surface area.
9.1.3 Sample rolls should be originally wound, not rewound
6.1.1.4 Adesiccator assembly with a perforated plate can be
rolls.
a suitable vessel.
6.1.2 Oven, of the forced-convection type maintained at a
10. Procedure
mean of 66 6 2°C (150 6 4°F).
10.1 Humidity Vessel in Oven:
6.2 Humidity chamber, to contain rolls of tape maintained at
10.1.1 Placethesamplerollsabovethesolutioninthevessel
a mean of 66 6 2°C (150 6 4°F) and 80 6 5 % relative
so that roll edges lie in a horizontal plane (parallel with the
humidity.
liquid surface). Include no more sample rolls than will displace
one fourth of the air volume in the vessel.
7. Reagents (for Humidity Vessel in Oven procedure)
10.1.2 Arrange the sample rolls so that all surfaces are
7.1 Purity of Reagents—Reagent grade chemicals shall be exposed to the humid air in the vessel. Use separators that
used in all tests. Unless otherwise indicated, it is intended that allowfreeairspacearoundandbetweentherollsandwhichare
allreagentsshallconformtothespecificationoftheCommittee non-hygroscopic.
on Analytical Reagents of the American Chemical Society, 10.1.3 Close the assembly and place in the oven.
where such specifications are available. Other grades may be 10.1.4 Assure that care is taken to prevent the solution from
used, provided it is first ascertained that the reagent is of wetting any part of the assembly (including tape), other than
sufficiently high purity to permit its use without lessening the the reservoir it occupies, when the assembly is moved in and
accuracy of the determination. out of the oven. This reduces salt deposition and crystalline
build-up.
7.2 Ammonium Sulfate (NH ) SO .
4 2 4
10.1.5 Remove the assembly from the oven after 96 h.
7.3 Water, distilled or demineralized.
Immediately remove the sample rolls from the assembly.
10.1.6 Condition the sample in the standard conditioning
7.4 The reagents of 7.2 and 7.3 are to be dissolved together
in the proportion of 1 + 1 by weight. Use a volume (the units atmosphere described in Practice D4332 for a minimum of 4 h
with free air space around the rolls.
will be cubic centimetres) of water not less than that obtained
by multiplying 500 times 132 times the vessel air volume in 10.1.7 Conditioning is intended to produce an equilibrium
in both temperature and moisture of samples with the standard
cubic met
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