ASTM D5179 Test Fixture
ASTM D5179 – This test method covers the laboratory determination of organic coating adhesion to plastic substrates
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ASTM D5179 -Standard Test Method for Measuring Adhesion of Organic Coatings in the Laboratory by Direct Tensile Method
ASTM D5179 -Adhesion of Organic Coatings in the Laboratory by Direct Tensile Method
ASTM D5179 – This test method covers the laboratory determination of organic coating adhesion to plastic substrates by mounting and removing a metal stud
from the surface of the coating and measuring the force required to break the coating/substrate bond with a tensile tester.
This test method may also be applied to substrates other than plastic.
This test method requires that the metal stud be adhered directly to the surface of a coated, cured panel
This test method is used to compare the adhesion of coatings to plastic or other substrates, thus allowing for a quantitative comparison of various coating/substrate
combinations in laboratory conditions.
Other tensile test methods are Test Methods D4541, D7234, D7522, and ISO 4624 (but are not technically equivalent).
Significance and Use
The pull-off strength (commonly referred to as adhesion) of a coating is an important performance property that has been used in specifications.
This test method serves as a means for uniformly preparing and testing organic coatings on plastic or other substrates.4 Further information may be found in
Appendix X1.
*** Before conducting ASTM D5179 , it is important to read the entire specification in the relevant ASTM publication.
