FR4 - 4.250" 36 x 48 Natural Sheet

Built for demanding electrical and structural applications, this FR4 Glass Epoxy sheet comes in a substantial 4.25" thickness and a full 36.0" x 48.0" sheet size in Natural color. The extra-thick profile delivers outstanding rigidity and dimensional stability, while FR4’s inherent electrical insulation, moisture resistance, and dependable machinability make it a strong choice for heavy-duty fabricated components and support panels.