Fix Scratches in Polycarbonate Using 600, 1500, and 3000 Grit Sandpaper (No Polishing Compound)
Scratches on polycarbonate—like headlight lenses, motorcycle windshields, or safety visors—can make them look old, cloudy, and unsafe. This guide shows you how to restore clarity using only wet/dry sandpaper in 600, 1500, and 3000 grit, without relying on polishing compounds...