Understanding distinctness of image: What is DOI and how is it measured?
Q: The thought below from some of my colleagues is close but not perfect: “I conclude that either DOI or gloss, the issue is the smoothness of the dried top coat. Which in turn depends on size and shape (of the filler particle) and how much resin is absorbed by each...Manually touching up powder coating: Is it best to do a manual touch-up before or after automatic guns?
Q: We have an automatic spray booth, with eight automatic and two manual (touch-up) guns. When is it best to use manual touch-up: before the automatic guns or after? Also, we heard that the charging is negative. Why? Would it be better if it was positive? What is the...Importance of grounding in powder coating: What will I notice if my ground starts to fade?
Q: I’m a finishing engineer at a fabrication shop and have a question regarding powder coating application. What will I notice if my grounding starts to fade? A: This is something that creeps up in a finishing system: You can be running good parts for days, and then...