ASTM D3652/D3652M-01(2020)

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: D3652/D3652M − 01 (Reapproved 2020)
Standard Test Method for
Thickness of Pressure-Sensitive Tapes
This standard is issued under the fixed designation D3652/D3652M; 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 D2904 Practice for Interlaboratory Testing of a Textile Test
Method that Produces Normally Distributed Data (With-
1.1 This test method covers the determination of the thick-
drawn 2008)
ness of pressure-sensitive tapes at standard conditions.
D2906 Practice for Statements on Precision and Bias for
Textiles (Withdrawn 2008)
1.2 This test method is intended to replace AFERA 4006
D3715/D3715M Practice for QualityAssurance of Pressure-
and PSTC 33.
Sensitive Tapes
1.3 The values stated in either SI units or inch-pound units
D4332 Practice for Conditioning Containers, Packages, or
are to be regarded separately as standard. The values stated in
Packaging Components for Testing
each system may not be exact equivalents; therefore, each
E122 Practice for Calculating Sample Size to Estimate,With
system shall be used independently of the other. Combining Specified Precision, the Average for a Characteristic of a
Lot or Process
values from the two systems may result in non-conformance
with the standard.
3. Terminology
1.4 This standard does not purport to address all of the
3.1 Definitions—Terms found in Terminology D996 shall
safety concerns, if any, associated with its use. It is the
apply.
responsibility of the user of this standard to establish appro-
3.2 Definitions of Terms Specific to This Standard:
priate safety, health, and environmental practices and deter-
3.2.1 thickness (caliper, gage)—the perpendicular distance
mine the applicability of regulatory limitations prior to use.
between opposite surfaces of a tape expressed in mils [1/1000
1.5 This international standard was developed in accor-
in.]; usually measured under slight pressure with a special
dance with internationally recognized principles on standard-
gage.
ization established in the Decision on Principles for the
4. Significance and Use
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical 4.1 Thickness is an important property of tapes, and this
Barriers to Trade (TBT) Committee. dimension is important for certain end uses.This test method is
useful for quality control and for acceptance testing for
conformance to specifications.
2. Referenced Documents
5. Apparatus
2.1 ASTM Standards:
D996 Terminology of Packaging and Distribution Environ-
5.1 Cailper Gage, with the following requirements:
ments
5.1.1 Two plain faces, the smaller of which is circular and 8
to 16 mm [0.32 to 0.64 in.] in diameter. The faces shall be
parallel to within 0.005 mm [0.0002 in.] and constrained to
move apart along an axis perpendicular to them.
This test method is under the jurisdiction of ASTM Committee D10 on
Packaging and is the direct responsibility of Subcommittee D10.14 on Tape and 5.1.2 When the specimen is placed between the faces, the
Labels.
force should be such that the specimen shall be under a 50 to
Current edition approved Oct. 1, 2020. Published October 2020. Originally
60 kPa [7.3 to 8.7 psi].
approved in 1978. Last previous edition approved in 2012 as D3652/
5.1.3 The distance between the graduations on the dial shall
D3652M – 01 (2012). DOI: 10.1520/D3652_D3652M-01R20.
AFERA:Association des Fabricants de RubansAuto-Adhesif; PSTC: Pressure
be such as to permit estimating the thickness to at least 0.002
Sensitive Tape Council (U.S.A.).
mm [0.0001 in.].
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 last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
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D3652/D3652M − 01 (2020)
TABLE 1 Critical Difference, % of Grand Average for the
6. Sampling
A,B
Conditions Noted
6.1 Acceptance Sampling—Sampling shall be in accordance
Single- Within- Between-
Number of Observations in
with Practice D3715/D3715M.
Operator Laboratory Laboratory
Each Average
Precision Precision Precision
6.2 Sampling for Other Purposes—The sampling and the
Specimens of the
number of test specimens depends on the purpose of testing.
Same Material:
1 6.8 11.8 35.8
Practice E122 is recommended. It is common to test at least
5 5.2 10.9 32.9
five specimens of a particular tape. Test specimens should be
10 4.9 10.7 32.1
taken from several rolls of a tape and, whenever possible,
Specimens of Different
among several production runs of a tape. Strong conclusions Material:
1 24.9 26.7 32.6
about a specific property of a tape cannot be based on tests of
5 24.5 26.3 32.3
a single unit (roll) of product.
10 24.4 26.3 32.2
A
The critical differences were calculated using t = 1.960 which is based on infinite
degrees of freedom.
7. Test Specimens
B
To convert the values of the critical differences to units of measure, multiply the
7.1 Thespecimenwidthshallbegreaterthanthediameterof
average of the two specific sets of data being compared by the critical differences
expressed as a decimal fraction.
the foot of the caliper gage and at least 50 mm [2 in.] long. It
shall be free of wrinkles and creases.
7.2 Unwind and discard at least three but no more than six
wraps of tape from the sample roll before taking specimens for
testing.
11. Precision and Bias
7.3 Unless otherwise specified, remove one specimen per
11.1 Summary—The difference between two single obser-
sample roll for each test performed. Remove the specimen
vations should not exceed 6.8 % of the average of the two
from a freely rotating roll at the rate of approximately 500 to
...