How do manufacturers test the resistance of trash can surfaces to graffiti removal?

Manufacturers employ rigorous standardized testing protocols to evaluate how well trash can surfaces withstand graffiti removal. The primary method involves applying controlled graffiti using common spray paints or markers onto sample panels or actual trash can surfaces. These specimens then undergo systematic cleaning attempts using specified chemical cleaners, abrasive techniques, and pressure washing equipment.

Testing follows established standards such as ASTM D6578 (Standard Practice for Determination of Graffiti Resistance) which measures both graffiti resistance and cleanability. Manufacturers test multiple factors: chemical resistance using various cleaning solvents, abrasion resistance through scrubbing cycles, and pressure resistance during power washing. The surfaces are evaluated for paint residue, discoloration, and surface degradation after cleaning.

Quality assessments include spectrophotometer measurements to quantify color changes and surface roughness tests to detect damage. Manufacturers also conduct accelerated weathering tests to simulate long-term environmental exposure. The data collected helps develop surfaces that balance graffiti resistance with practical cleanability, ensuring public trash cans maintain appearance while discouraging vandalism through effective anti-graffiti coatings and textured surfaces.