FR4 - 0.437" 48 x 48 Natural Sheet

FR4 Glass Epoxy sheet in a Natural finish, this 0.437" thick sheet measures 48.0" x 48.0" and is built for demanding electrical and structural applications. The substantial 0.437" thickness adds excellent rigidity and dimensional stability, while FR4’s dependable insulating performance and moisture resistance make it a strong choice for panels, fixtures, and high-strength fabricated components.