Keox Technologies was given an application by a client where they needed to differentiate colors of powder coated metal.  The challenge is that some powder being Electrically Spray Deposited (ESD) were very similar in color such that the human eye cannot easily distinguish the coating result.  Additionally, natural process variability of the powder coating process, such as varying film thicknesses, baking temperature variation, and even contamination of the chamber, also affected the final color result. With the subtle wrong color used, it caused product variations and gave the perception of lesser quality control, especially when parts are placed next to
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