ASTM D3330/D3330M-04(2010)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D3330/D3330M − 04 (Reapproved 2010)
Standard Test Method for
Peel Adhesion of Pressure-Sensitive Tape
This standard is issued under the fixed designation D3330/D3330M; 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 Department of Defense.
1. Scope system may not be exact equivalents, therefore, each system
must be used independently without combining values in any
1.1 These test methods cover the measurement of the peel
way.
adhesion of pressure-sensitive tapes.
1.6 This standard does not purport to address all of the
1.1.1 Test Method A gives a measure of the adherence,
safety concerns, if any, associated with its use. It is the
when peeled at 180° angle, to a standard steel panel or to other
responsibility of the user of this standard to establish appro-
surface of interest for a single-coated tape.
priate safety and health practices and determine the applica-
1.1.2 TestMethodBgivesameasureoftheadherencetothe
bility of regulatory limitations prior to use.
backing of a single-coated tape.
1.1.3 Test Method C gives a measure of the adherence of
double-coated tape to a standard steel panel or other surface of 2. Referenced Documents
interest.
2.1 ASTM Standards:
1.1.4 TestMethodDgivesameasureoftheadherenceofthe
A666 Specification forAnnealed or Cold-WorkedAustenitic
release liner to the adhesive of either single- or double-coated
Stainless Steel Sheet, Strip, Plate, and Flat Bar
tape.
D996 Terminology of Packaging and Distribution Environ-
1.1.5 Test Method E gives a measure of the adherence of an
ments
adhesive transfer tape to a standard steel panel or other surface
D3715/D3715M Practice for QualityAssurance of Pressure-
of interest.
Sensitive Tapes
1.1.6 TestMethodFgivesameasureoftheadherence,when
D4332 Practice for Conditioning Containers, Packages, or
peeled at 90° angle, to a standard steel panel or other surface of
Packaging Components for Testing
interest for a single-coated tape.
D5750/D5750M Guide for Width and Length of Pressure-
1.2 These test methods provide a means of assessing the Sensitive Tape
E122 Practice for Calculating Sample Size to Estimate,With
uniformityoftheadhesionofagiventypeofpressure-sensitive
adhesive tape. The assessment may be within a roll of tape, Specified Precision, the Average for a Characteristic of a
Lot or Process
between rolls, or between production lots.
2.2 AFERA Standard:
1.3 Variations in either the tape backing or the adhesive, or
4001 Self adhesive tapes – Measurement of peel adhesion
both, affect the response. Therefore, these test methods cannot
be used to pinpoint the specific cause(s) of non-uniformity.
2.3 European Norm:
EN 1939 Self adhesive tapes – Measurement of peel adhe-
1.4 These test methods may not be appropriate to test tapes
sion from stainless steel or from its own backing
having relatively stiff backings, stiff liners, or backings show-
ing high stretch at low forces. These characteristics will result
2.4 Pressure Sensitive Tape Council Standards:
in a high variability for the test response which is not a true
PSTC 101 Peel Adhesion of Pressure Sensitive Tape
indication of the real nature of the adhesive bond.
1.5 Values stated in either SI or inch-pound units are to be
regarded separately as standard. The values stated in each 2
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 ASTM website.
1 3
This test method is under the jurisdiction of ASTM Committee D10 on Association des Fabricants Européens de Rubans Auto Adhesifs (AFERA),
Packaging and is the direct responsibility of Subcommittee D10.14 on Tape and LAM, Laan Copes van Cattenburch 79, NL-2858 EW, The Hauge, Netherlands.
Labels. European Norm, (EN); available from Comité Européen de Normalisation
Current edition approved April 1, 2010. Published July 2010. Originally (CEN), Rue de Stassart, 36, B-1050, Brussels, Belgium.
approved in 1976. Last previous edition approved in 2004 as D3330/D3330M – 04. Pressure Sensitive Tape Council (PSTC), 400 North Michigan Ave., #2200,
DOI: 10.1520/D3330_D3330M-04R10. Chicago, IL 60611–4267.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D3330/D3330M − 04 (2010)
3. Terminology texture) as compared to the standard stainless steel panel.
Substitution of representative samples of materials in question
3.1 Definitions—Terminology found in Terminology D996
for the standard steel panel would suffice to do this.
shall apply.
5.3 Test MethodsA, B, C, E or F cannot be used to compare
4. Summary of Test Method
two pressure-sensitive tapes of the same type but of different
manufacture for their ability to adhere to a surface. This is
4.1 Test Method A—Single-Coated Tapes, Peel Adhesion at
because the measured peel force is not normalized for a fixed
180° Angle—A strip of tape is applied to a standard test panel
area of stress. The area under stress varies with backing
(or other surface of interest) with controlled pressure. The tape
stiffness and adhesive rheology (firmness). Two different tapes
ispeeledfromthepanelat180°angleataspecifiedrate,during
seldom agree in these properties.
which time the force required to effect peel is measured.
5.4 TestMethodDcanshowtheamountofforcerequiredto
4.2 Test Method B—Adhesion to Backing, Single-Coated
remove a liner that covers the adhesive side of a tape at a
Tapes—Astrip of the tape under test is applied to a rigid panel.
specified peel rate. The force will be different at other peel
A strip of the tape under test is applied to the backing of the
rates.
first strip of tape and tested for peel adhesion as described in
Test Method A.
5.5 These test methods may not provide design information
as there is usually no direct relationship between peel adhesion
4.3 Test Method C—Double-Coated Tapes:
and any functional requirement.
4.3.1 Face Side Adhesion—The double-coated tape is ad-
hered to a stainless steel panel (or other surface of interest),
6. Apparatus
liner side up. The liner is removed and the exposed adhesive
covered with a strip of 0.025-mm [0.001-in.] thick polyester
6.1 Specimen Cutter—The specimen cutter shall hold two
film. The resulting tape is then tested as described in Test
single-edged razor blades in parallel planes, a precise distance
Method A.
apart, to form a cutter of exact specimens widths. Two cutters,
4.3.2 Liner Side Adhesion—The face side adhesive is ad-
12- and 24-mm [0.05- and 1-in.] cutting width, shall be
hered to a 0.025-mm [0.001-in.] polyester film. The liner is
available. Appropriate alternates which will not cause edge
removed and the tape is applied adhesive down to a stainless
damage may be used.
steelpanel(orothersurfaceofinterest).Testingisconductedas
NOTE 1—These widths correspond to the primary metric (SI) units
described in Test Method A.
described in Guide D5750/D5750M. These so-called “modular metric”
units are used throughout the world, except for Europe. If it is desirable to
4.4 Test Method D—Adhesion to Liner—The tape is adhered
test slightly different widths (for example, 25 mm) of specimens than
to a standard steel test panel with the liner side up. The liner is
those described in 9.1, this should be noted (see 18.1.7) and calculations
peeled from the adhesive in the same manner as in peeling a
must also account for the difference (see 17.1).
single-coated tape from a standard panel as described in Test
NOTE 2—The 12-mm [0.5-in.] cutter shall consist of a 12-mm [0.5-in.]
Method A.
thick by 220-mm [8-in.] length aluminum bar stock 12-mm [0.05-in.]
wide. The edges for about 125 mm [5 in.] from one end shall be slightly
4.5 Test Method E—Adhesion of Adhesive Transfer Tapes:
rounded to form a handle. The width of the bar for 75 mm [3 in.] from the
4.5.1 Face Side—The tape is adhered to a standard panel (or
opposite end shall be narrowed to exactly 12 mm [0.5 in.] minus the
othersurfaceofinterest).Thelinerisremovedanda0.025-mm thickness of a single razor blade (one of two used as cutting edges). The
razor blades shall be held in position using side plates. The end of the
[0.001-in.] thick strip of polyester is adhered to form a
cutter shall be cut away at 45° angle to expose the cutting edge at one end
film-backed strip of tape. The adhesion is measured as de-
oftheblades.Theedgesshallbeseparatedby12 60.10mm[0.5in.].The
scribed in Test Method A.
24-mm[1-in.]cuttershallfollowthesamedescriptionexceptthebarstock
4.5.2 Linear Side—The transfer tape is applied to a strip of
shall be 24.0 mm [1 in.] and shall be narrowed exactly 24 mm [1 in.]
minus the thickness of a single razor blade.
0.025-mm [0.001-in.] thick polyester film, the liner is removed
and the resulting tape’s adhesion is measured as described in
6.2 Dispensing System—For solvents, such as a wash bottle.
Test Method A.
6.3 Panel—A stainless steel panel, 50 by 125 mm [2 by 5
4.6 Test Method F—Single-Coated Tapes, 90° Peel—Astrip
in.] no less than 1.1 mm [0.043 in.] thickness, conforming to
of tape is applied to a standard test panel (or other surface of
Type 302 or 304 of Specification A666, having a bright
interest) with controlled pressure. The tape is peeled from the
annealed finish.The surface roughness height shall be 50 6 25
panel at 90° angle at a specified rate, during which time the
nm [2.06 1.0 µin.] arithmetical average deviation from the
force required to effect peel is measured.
mean line. Panels showing stains, discoloration, or many
scratches are not acceptable. New panels should be cleaned
5. Significance and Use
prior to use as described in 11.1, except with ten washes of the
5.1 These test methods are tools for quality assurance use. final solvent. Between uses, the panel test surface shall be
Given specific pressure-sensitive tape and a requirement in protected from scratches and contamination, and the panels
terms of the minimum or maximum peel value expected for stored at conditions described in Section 10.
this tape, the data from the test can be used in conjunction with
6.4 Roller—Mechanically or hand operated.
acceptance criteria.
6.4.1 Asteelroller85 62.5mm[3.25 60.1in.]indiameter
5.2 Test MethodA, B, C, E, or F can show the relative bond and 45 6 1.5 mm [1.75 6 0.05 in.] in width, covered with
strength of a given tape to one or more surfaces (material and rubber approximately 6 mm [0.25 in.] in thickness, having a
D3330/D3330M − 04 (2010)
Shore scaleAdurometer hardness of 80 6 5. The surface shall 8.2 Sampling for Other Purposes—The sampling and the
be a true cylinder void of any convex or concave deviations. number of test specimens depends on the purpose of the
The mass of the roller shall be 2040 6 45 g [4.5 6 0.1 lb]. testing. Practice E122 is recommended. It is common to test at
6.4.2 No part of the apparatus shall increase the mass of the least five specimens of a particular tape.Test specimens should
be taken from several rolls of tape, and whenever possible,
roller during use. The roller shall move either mechanically or
by hand at the rate of 10 6 0.5 mm/s [24 6 0.5 in./min]. A among several production runs of tape. Strong conclusions
about a specific property of a tape cannot be based on tests of
mechanically operated roller is recommended for referee
purposes. a single unit (roll) of a product.
NOTE 3—A simple check to determine if the rubber surface is
9. Test Specimen
cylindrical is to wrap the roller in a very thin paper (onionskin) and drag
9.1 The specimen shall be 24 mm [1 in.] wide. If the
it across a flat glass plate on which is placed carbon paper, face up. The
carbonrubsoffontothethinpaperwrappertorevealhighspotsorhollows specimen is of a different width, refer to Note 5.Atolerance of
on the rubber surface. 1
60.5 mm [6 ⁄64 in.] shall be allowed. The length shall be
approximately 300 mm [12 in.].
6.5 Adhesion Tester—A constant-rate-of-extension (CRE)
tension tester shall be used. It is proposed to use an electronic
9.2 Discard at least three but no more than six outer wraps
machine taking at least one reading per mm [0.1 in.] of tape
of tape from the sample roll before taking the specimens for
peeled. The tester shall have two clamps with centers in the
testing.
same plane, parallel with the direction of the motion on the
9.3 Removeonespecimenpersamplerollforeachtesttobe
stressing clamp, and so aligned that they will hold the
performed. Remove the specimen from a freely rotating roll at
specimen wholly in the same plane; a means of moving the
the rate of 500 to 750 mm/s [20 to 30 in./s]. Where width or
stressing clamp at a uniform rate of 5.0 6 0.2 mm/s [12 6 0.5
other factors causing a high adherence to backing makes it
in./min] and a device for recording load. The instrument shall
impossible to remove the specimen at the prescribed rate,
be calibrated to an accuracy of 0.5 % of full scale and the scale
remove it at a rate as close to 500 mm/s [20 in./s] as possible.
range used for any test shall be such that the mean test level
9.4 Whentapeiswiderthan24mm[1in.],specimensofthe
falls within 20 to 80 % of full scale.
widest specified width are to be cut from the center of a strip
6.6 Fixture—90° peel for Test Method F.
removed from the roll in accordance with 9.3.
9.5 Apply specimen within 5 min after unwinding.
7. Reagents and Materials
7.1 Purity of Reagents—Reagent grade chemicals should be
10. Conditioning
used in all tests. Other grades may be used, provided it is first
10.1 Condition the sample rolls of tape in the standard
ascertained that the reagent is of sufficiently high purity to
conditioning atmosphere as described in Practice D4332 for a
permit its use without lessening accuracy of the determination.
period of not less than 24 h. Test at these conditions.
7.2 Solvents: (Warning—The tester should know that by prolonged han-
7.2.1 Any of the following solvents may be used for dling heat is transmitted to the stainless steel test panel.
Therefore, during and after application of the adhesive tape to
cleaning:
the test panel, the panel should be handled as little as possible.)
7.2.1.1 Diactone alcohol non-residual, technical grade or
better,
11. Test Method A—Single-Coated Tapes at 180° Angle
7.2.1.2 Methanol (95 %),
11.1 Dispense one of the solvents listed in 7.2.1 onto the
7.2.1.3 Methyl ethyl ketone (MEK),
panel, wiping it to dryness with f
...