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Technical Paper

Single Fluid Contact Angle Measurements Make Process Control Easier

Polar interactions between a properly prepared surface and an ink, adhesive, or coating are strong and are responsible for most of the required adhesion of inks, paints, and adhesives.

 

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These interactions are greatly affected by cleaning processes and surface treatment. Non-polar (or dispersive) interactions are relatively weak, are insensitive to cleaning and surface treatment, and their measurement requires the use of hazardous fluids.

As a result, the best metrics for measuring and controlling the surface properties important for adhesion are the ones that are most sensitive to the polar characteristics of a surface. A single water contact angle measurement provides this sensitivity without the need for multiple probe fluids.  

Read the full paper here: Why One Contact Angle Fluid is All You Need to Control Your Process

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