n Test for brittleness, toughness and tendency to ribbon, by cutting a narrow strip of the coating from the test panel, with a knife. It is not recommended as a test for adhesion, as other methods are more accurate. (Weldon DG (2001) Failure analysis of paints and coatings. Wiley, New York; Paint and coating testing manual (Gardner-Sward handbook) MNL 17, 14th edn. ASTM, Conshohocken, PA, 1995).
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Gooch, J.W. (2011). Knife Test. In: Gooch, J.W. (eds) Encyclopedic Dictionary of Polymers. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6247-8_6685
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