Our current problem is that we cannot paint light metallic colors using our existing electrostatic basecoat applicator without an off-color situation between the electrostatic and normal manual applicator.
We have tried various types of paint formulations and different settings on the applicator, but the off-color situation still exists. We have even tried to paint without the electrostatic effect but without success.
What is the limit as far as aluminum content that can be sprayed electrostatically? Is there a ratio between aluminum content and other pigments in a paint formula to achieve the color? Are there other electrostatic spray guns that can spray metallics without color differences? B.D.
Until you can repeal the laws of physics, you will have this kind of situation. Most of your questions are related to paint formulation and are beyond the scope of this column. However, this is not a new problem. And satisfactory solutions have been worked out. You can also get different colors using conventional spray guns by spraying wetter or dryer. I usually provide answers not questions. However, my question is: Why are you trying to solve this problem yourself? I don't like to give advice, but if I were you, I would invite my paint supplier and equipment supplier to a joint meeting to help you solve the problem.
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