Patched — Cracked Plexiglass

A hidden danger: many cleaning sprays, adhesives, and even some paints contain solvents (acetone, alcohol, toluene) that attack acrylic’s polymer chains. The crack may not appear for hours—until you wipe the surface with a “safe” glass cleaner, only to find it spiderwebbing the next morning.

Before you reach for the glue, identify what you're dealing with: cracked plexiglass