FR4 - 3.250" 36 x 48 Natural Sheet

Built for demanding electrical and structural applications, this FR4 Glass Epoxy sheet features a substantial 3.25" thickness in a full-size 36.0" x 48.0" sheet, supplied in Natural color for easy material identification and fabrication planning. The extra-thick profile delivers outstanding rigidity and dimensional stability, while FR4’s dependable electrical insulation, moisture resistance, and mechanical strength make it a strong choice for heavy-duty panels, fixtures, and high-performance insulating components.