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ASTM D6252/D6252M-98(2019)

(Test Method)

Standard Test Method for Peel Adhesion of Pressure-Sensitive Label Stocks at a 90° Angle

Standard Test Method for Peel Adhesion of Pressure-Sensitive Label Stocks at a 90° Angle

SIGNIFICANCE AND USE
5.1 This test method is a tool for quality assurance use. Given a pressure-sensitive label stock and a requirement in terms of the minimum or maximum peel adhesion value expected for this label stock, the data from the test can be used in conjunction with acceptance criteria.  
5.2 This test method can show the relative bond strength of a given label stock to one or more surfaces of varied material and texture as compared to the standard stainless steel panel. Substitution of panels representative of the proposed substrates for the standard stainless steel panel would be acceptable for this procedure.
SCOPE
1.1 This test method covers the measurement of the peel adhesion of pressure-sensitive label stocks. This test method gives a measure of the adherence to a standard steel substrate or to other surfaces of interest for a pressure-sensitive label stock.  
1.2 This test method provides a means of assessing the uniformity of the adhesion of a given type of pressure-sensitive label stock. The assessment may be within a sheet or roll, between sheets or rolls, or between production lots.  
1.3 Variations in the label stock facestock and adhesive can affect the response; therefore, this test method cannot be used to pinpoint the specific cause(s) of nonuniformity.  
1.4 This test method may not be appropriate to test label stocks having either stiff backings or backings showing a high stretch at low forces. These characteristics could result in a high variability of the test response, which is not a true indication of the real nature of the adhesive bond.  
1.5 The values stated in either SI or inch-pound units are to be regarded separately as the standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently, without combining values in any way.  
1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 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.

General Information

Status
Published
Publication Date
31-Mar-2019
ICS
83.180 - Adhesives
Technical Committee
D10 - Packaging
Drafting Committee
D10.14 - Tape and Labels
Current Stage
Ref Project

Relations

Refers
ASTM D3715/D3715M-98(2019) - Standard Practice for Quality Assurance of Pressure-Sensitive Tapes
Effective Date
01-Aug-2019
Referred By
ASTM D7932-17 - Standard Specification for Printed, Pressure-Sensitive Adhesive Labels for Use in Extreme Distribution Environments
Effective Date
01-Apr-2019

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ASTM D6252/D6252M-98(2019) - Standard Test Method for Peel Adhesion of Pressure-Sensitive Label Stocks at a 90° AngleASTM D6252/D6252M-98(2019) - Standard Test Method for Peel Adhesion of Pressure-Sensitive Label Stocks at a 90° Angle
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ASTM D6252/D6252M-98(2019) - Standard Test Method for Peel Adhesion of Pressure-Sensitive Label Stocks at a 90° Angle
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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: D6252/D6252M − 98 (Reapproved 2019)
Standard Test Method for
Peel Adhesion of Pressure-Sensitive Label Stocks at a 90°
1
Angle
This standard is issued under the fixed designation D6252/D6252M; 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.
1. Scope 2. Referenced Documents
2
1.1 This test method covers the measurement of the peel 2.1 ASTM Standards:
adhesion of pressure-sensitive label stocks. This test method A666 Specification forAnnealed or Cold-WorkedAustenitic
gives a measure of the adherence to a standard steel substrate Stainless Steel Sheet, Strip, Plate, and Flat Bar
or to other surfaces of interest for a pressure-sensitive label D996 Terminology of Packaging and Distribution Environ-
stock. ments
D3715/D3715M Practice for QualityAssurance of Pressure-
1.2 This test method provides a means of assessing the
Sensitive Tapes
uniformityoftheadhesionofagiventypeofpressure-sensitive
D4332 Practice for Conditioning Containers, Packages, or
label stock. The assessment may be within a sheet or roll,
Packaging Components for Testing
between sheets or rolls, or between production lots.
E122 Practice for Calculating Sample Size to Estimate,With
1.3 Variations in the label stock facestock and adhesive can
Specified Precision, the Average for a Characteristic of a
affect the response; therefore, this test method cannot be used
Lot or Process
to pinpoint the specific cause(s) of nonuniformity.
3. Terminology
1.4 This test method may not be appropriate to test label
stocks having either stiff backings or backings showing a high
3.1 Definitions—Definitions of terms used in this test
stretch at low forces. These characteristics could result in a
method are in accordance with Terminology D996.
high variability of the test response, which is not a true
3.2 Definitions of Terms Specific to This Standard:
indication of the real nature of the adhesive bond.
3.2.1 pressure-sensitive label stock, n—the combination of
1.5 The values stated in either SI or inch-pound units are to
facestock (face material), pressure-sensitive adhesive, and
be regarded separately as the standard. The values stated in
release liner.
each system may not be exact equivalents; therefore, each
system must be used independently, without combining values
4. Summary of Test Method
in any way.
4.1 Astrip of label stock is applied to a standard test panel,
1.6 This standard does not purport to address all of the
or other surface of interest, with controlled pressure. The label
safety concerns, if any, associated with its use. It is the
stock is peeled from the panel at 90° angle at a specified rate,
responsibility of the user of this standard to establish appro-
during which time the force required to effect peeling is
priate safety, health, and environmental practices and deter-
measured.
mine the applicability of regulatory limitations prior to use.
NOTE 1—The pressure-sensitive adhesive (psa) is permanently tacky
1.7 This international standard was developed in accor-
and instantly adheres to the surface for which the label stock is designed.
dance with internationally recognized principles on standard-
A psa label stock also can be defined as a self-adhering label stock.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
5. Significance and Use
mendations issued by the World Trade Organization Technical
5.1 This test method is a tool for quality assurance use.
Barriers to Trade (TBT) Committee.
Given a pressure-sensitive label stock and a requirement in
terms of the minimum or maximum peel adhesion value
1
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
2
Labels. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved April 1, 2019. Published April 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1998. Last previous edition approved in 2011 as D6252/D6252M – 98 Standards volume information, refer to the standard’s Document Summary page on
(2011). DOI: 10.1520/D6252_D6252M-98R19. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6252/D6252M − 98 (Reapproved 2019)
expected for this label s
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1.1 This specification covers repositionable pressure-sensitive flags used to mark, flag, and index documents, books, periodicals, and so forth.  
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5.1 These test methods provide a quantitative measure of the pressure-sensitive tack property of an adhesive.
FIG. 1 Loop Tack Test Fixture 1  
FIG. 2 Loop Tack Test Fixture 2  
FIG. 3 Loop Tack Sample During Test  
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SCOPE
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SIGNIFICANCE AND USE
5.1 When a box becomes wet, the performance of the box and its closure are reduced. It is desirable to have box closure methods that retain an ability to keep the box closed when wet. Sealing or reinforcing methods sometimes are useful to improve performance of wet boxes and closures. Water resistance is sometimes a regulatory or contractual requirement.  
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5.1 This test method measures the cohesive strength of the adhesive on a pressure sensitive article. The time to failure can predict end use properties of pressure sensitive articles such as edge ooze from cold flow; trimming, slitting and die cutting quality; telescoping in tapes; ability to seal packages; and vertical holding power.  
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1.1 This specification covers paper-backed pressure-sensitive tapes used for light-duty packaging and masking.  
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4.1 Thickness is an important property of tapes, and this dimension is important for certain end uses. This test method is useful for quality control and for acceptance testing for conformance to specifications.
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1.1 This test method covers the determination of the thickness of pressure-sensitive tapes at standard conditions.  
1.2 This test method is intended to replace AFERA 40062 and PSTC 33.2  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
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This specification covers pressure-sensitive tapes of film, paper, and cloth types, with applications in packaging, box closure, and sealing. Covered in this specification are five types of tape: waterproof, weather-resistant, polyester-backed tape (Type I), water-resistant polyester-backed tape (Type II), water-resistant polypropylene-backed tape (Type III), water-resistant woven-cloth-backed tape (Type IV), and weather-resistant paper-backed tape. The tape shall be manufactured with film, paper, or cloth backing, coated with a smooth and uniformly distributed layer of pressure-sensitive water-insoluble adhesive. The tape shall be in wound into rolls on cores of paper fiber or plastic and shall be free from defects, with the edges clean, straight, and unbroken. Tests for adhesion, break strength, tear resistance, thickness, water-penetration rate, water solubility, water-vapor transmission rate, and weathering shall be performed and shall conform to the requirements specified.
SCOPE
1.1 This specification covers film, paper, and cloth pressure-sensitive tapes used for box closure and sealing.  
1.2 The values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently, without combining values in any way.  
1.3 The following safety hazards caveat pertains only to the test methods portion, Section 14, of this specification.  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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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.

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