ASTM D7234 PDF

A number in parentheses indicates the year of last reapproval. Scope 1. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached. Failure will occur along the weakest plane within the system comprised of the test fixture, adhesive, coating system, and substrate, and will be exposed by the fracture surface. Measurements are limited by the strength of adhesion bonds between the loading fixture, coating system and the substrate or the cohesive strengths of the adhesive, coating layers, and substrate.

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Want this as a site license? Scope 1. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached. Failure will occur along the weakest plane within the system comprised of the loading fixture, glue, coating system, and substrate, and will be exposed by the fracture surface.

Measurements are limited by the strength of adhesion bonds between the loading fixture, coating system and the substrate or the cohesive strengths of the glue, coating layers, and substrate. There are different instruments used that comply with this test method. The specific instrument used should be identified when reporting results. This test is destructive and spot repairs may be necessary. The values given in parentheses are for information only. 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.

Significance and Use 5. This test method serves as a means for uniformly preparing and testing coated surfaces, and evaluating and reporting the results. Therefore, it is recommended that the specific test instrument and loading fixture be mutually agreed upon between the interested parties. Test Method C is suitable for that determination.

Keywords adhesion; coatings; concrete; field; paint; portable; pull-off adhesion strength; tensile test; To find similar documents by ASTM Volume:.

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ASTM D7234

More D Scope 1. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached. Failure will occur along the weakest plane within the system comprised of the test fixture, adhesive, coating system, and substrate, and will be exposed by the fracture surface. Measurements are limited by the strength of adhesion bonds between the loading fixture, coating system and the substrate or the cohesive strengths of the adhesive, coating layers, and substrate. There are different instruments used that comply with this test method. The specific instrument used should be identified when reporting results.

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Astm d7234

Want this as a site license? Scope 1. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached. Failure will occur along the weakest plane within the system comprised of the loading fixture, glue, coating system, and substrate, and will be exposed by the fracture surface.

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You are on page 1of 9 Search inside document Standard Test Method for Pull-Off Adhesion Strength of Coatings on Concrete Using Portable Pull-Off Adhesion Testers1 This standard is issued under the xed designation D; 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. Scope 1. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached.

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This test method serves as a means for uniformly preparing and testing coated surfaces, and evaluating and reporting the results. Therefore, it is recommended that the specific test instrument and loading fixture be mutually agreed upon between the interested parties. Test Method C is suitable for that determination. Scope 1. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached.

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