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5.1.2.1.15c) Tack and stringiness when performing coating processes

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Offset printing inks, adhesives, polymer-modified bitumen (PmB), grease and coatings often exhibit tacky behavior and stringiness with long filaments during application when printing, coating and painting with a brush or a roller, respectively (see Figure 5.5). See also Chapter 11.2.1 g: finger test (e. g. for luricating grease: evaluation as brittle, buttery, long fiber, short fiber, stringy).


Figure 5.5: Comparison of two more or less tacky materials, one of them shows stringiness when strained at a high deformation [5.8]

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