Which technique helps control metallic/pearlescent flakes for a uniform appearance?

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Controlling metallic and pearlescent flakes hinges on keeping the spray process stable so the flakes lay down evenly and reflect light uniformly. When you maintain constant distance, move with a steady pattern, keep the spray angle consistent, and apply in a uniform pattern, each pass deposits flakes similarly across the surface. Rotating the substrate as you spray helps prevent buildup in one area and promotes even distribution and orientation of flakes, which reduces mottling and blotchy reflections as the finish cures.

If you only rotate the nozzle, you’re still changing where the spray hits the surface in terms of distance and angle, which can lead to uneven flake deposition. Moving quickly with no pattern creates unpredictable coverage, producing heavy and light spots. Using a larger nozzle alters spray fan size and atomization but doesn’t guarantee even flake distribution and can cause runs or splotches rather than a uniform appearance.