This practical filtration guide is written for automotive refinishing professionals who need to remove dirt, dried coating chips, pigment clumps, and airline contamination without starving the spray gun. It explains how to match filter mesh, coating viscosity, cup filtration, gun filters, and compressed-air preparation for stable material flow and clean atomization.

This maintenance-focused article explains why two-component coatings can shorten spray gun service life in professional automotive refinishing. It discusses catalyst reaction, residue hardening, packing stress, solvent exposure, seal swelling, abrasive solids, and practical cleaning habits that help painters protect internal parts while using 2K primers, clears, and topcoats.

This troubleshooting article helps automotive painters diagnose scattered droplets around the main spray pattern. It explains how to inspect air cap holes, fluid tip wear, needle seating, viscosity, inlet pressure, spray distance, and contamination sources so technicians can restore a clean fan edge and avoid halo specks, overspray texture, and uneven film build.