ASTM D1876-00e1
(Test Method)Standard Test Method for Peel Resistance of Adhesives (T-Peel Test)
Standard Test Method for Peel Resistance of Adhesives (T-Peel Test)
SCOPE
1.1 This test method is primarily intended for determining the relative peel resistance of adhesive bonds between flexible adherends by means of a T-type specimen.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
1.3 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: D 1876 – 00
Standard Test Method for
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Peel Resistance of Adhesives (T-Peel Test)
This standard is issued under the fixed designation D 1876; 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.
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e NOTE—Paragraphs 5.2 and 5.3 were editorially corrected in June 2001.
INTRODUCTION
The accuracy of the results of strength tests of adhesive bonds will depend on the conditions under
which the bonding process is carried out. Unless otherwise agreed upon by the manufacturer and the
purchaser, the bonding conditions shall be prescribed by the manufacturer of the adhesive. In order to
ensure that complete information is available to the individual conducting the tests, the manufacturer
of the adhesive shall furnish numerical values and other specific information for each of the following
variables:
(1) Procedure for preparation of the surfaces prior to application of the adhesive, the cleaning and
drying of metal surfaces, and special surface treatments such as sanding, which are not specifically
limited by the pertinent test method.
(2) Complete mixing directions for the adhesive.
(3) Conditions for application of the adhesive, including the rate of spread or thickness of film,
number of coats to be applied, whether to be applied to one or both surfaces, and the conditions of
drying where more than one coat is required.
(4) Assembly conditions before application of pressure, including the room temperature, length of
time, and whether open or closed assembly is to be used.
(5) Curing conditions, including the amount of pressure to be applied, the length of time under
pressure, and the temperature of the assembly when under pressure. It should be stated whether this
temperature is that of the glue line, or of the atmosphere at which the assembly is to be maintained.
(6) Conditioning procedure before testing, unless a standard procedure is specified, including the
length of time, temperature, and relative humidity.
A range may be prescribed for any variable by the manufacturer of the adhesive, if it can be assumed
by the test operator that any arbitrarily chosen value within such a range or any combination of such
values for several variables will be acceptable to both the manufacturer and the purchaser of the
adhesive.
1. Scope bility of regulatory limitations prior to use.
1.1 This test method is primarily intended for determining
2. Referenced Documents
the relative peel resistance of adhesive bonds between flexible
2.1 ASTM Standards:
adherends by means of a T-type specimen.
B 209 Specification for Aluminum and Aluminum-Alloy
1.2 The values stated in SI units are to be regarded as the
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Sheet and Plate
standard. The values given in parentheses are provided for
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D 907 Terminology of Adhesives
information purposes only.
1.3 This standard does not purport to address all of the
3. Terminology
safety concerns, if any, associated with its use. It is the
3.1 Definitions—Many terms in this test method are defined
responsibility of the user of this standard to establish appro-
in Terminology D 907.
priate safety and health practices and determine the applica-
3.1.1 peel strength, n—the average load per unit width of
bondline required to separate progressively a flexible member
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This test method is under the jurisdiction of ASTM Committee D14 on
Adhesives and is the direct responsibility of D14.80 on Metal Bonding Adhesives.
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Current edition approved Nov. 10, 2000. Published January 2001. Originally Annual Book of ASTM Standards, Vol 02.02.
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published as D 1876 – 61 T. Last previous edition D 1876 – 95. Annual Book of ASTM Standards, Vol 15.06.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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D 1876
from a rigid member or another flexible member. adherends properly prepared and bonded together in accor-
3.1.1.1 Discussion—Flexible has different meanings in dif- dance with the adhesive manufacturer’s recommendations.
ferent peel tests, such as “T”, 180-degree, floating-roller, or Specially prepared test panels 152 mm (6 in.) wide by 305 mm
climbing-drum. The angle between the members varies with (12 in.) long, but bonded only over approximately 241 mm (9
the type of peel test. in.) of their length. Test panels of these same dimensions may
3.2 Definitions of Terms Specific to This Standard: also be cut from larger, fully laminated panels.
3.2.1 flexible, adj—indicates that the adherends shall have
NOTE 3—Direct comparisons of differ
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