Polyester Resin Composites Settings

When laser cleaning polyester resin composites, I've found starting with a gentle pass works best. These fiber-reinforced materials differ from plain plastics because they're layered for strength, so the laser clears surface grime without delaminating fibers. You'll notice their low heat spread compared to metals—keeps the base intact. Adjust the beam to skim lightly at first. This tends to restore the smooth finish nicely, especially in aerospace or marine parts where corrosion hides underneath. I've seen it shine up wind turbine blades effectively. Move the scan steadily across the surface. Unlike denser composites, these expand little under heat, avoiding cracks. But watch the edges. End with a final check—too much dwell can yellow the resin, so pull back power if you spot any haze.